Anime Like Triage X: Recollection XOXO

After her father's death, Ryuuko Matoi travels the nation to hunt down his murderer. Her sole lead is the Scissor Blade, one half of a weapon her father forged, which guides her to Honnouji Academy. This formidable high school is dominated by the ruthless student council president, Satsuki Kiryuuin, and her top lieutenants, the Elite Four. At this cutthroat institution, Satsuki bestows Goku Uniforms upon the strongest students, endowing them with extraordinary powers. Ryuuko suffers defeat in a battle against a student clad in a Goku Uniform. However, upon returning to her destroyed home, she finds Senketsu, a sentient Kamui. When Senketsu comes into contact with Ryuuko's blood, it awakens and bonds with her, granting her tremendous strength. Now equipped with Senketsu and the Scissor Blade, Ryuuko engages the Elite Four, resolved to face Satsuki and reveal the truth regarding her father's demise.

The sudden reanimation of the dead plunges Japan into widespread chaos. When zombies breach a high school, Takashi Kimuro is compelled to put down his closest friend after the infection turns them into the undead. Vowing to protect Rei Miyamoto, the girlfriend of the person he was forced to kill, the two escape the hazardous school and find themselves in a world already crumbling. Joining forces with other survivors, Takashi and Rei embark on a journey to locate their loved ones and uncover the origin of the zombie outbreak. Their group consists of Saeko Busujima, the elegant captain of the Kendo Club; Kouta Hirano, an otaku with a deep fascination for firearms; Saya Takagi, the daughter of a prominent politician; and Shizuka Marikawa, the attractive school nurse. Despite their combined efforts, they must still wonder if their skills are sufficient to endure the relentless zombie apocalypse.

In High School DxD, Issei Hyoudou leads the ordinary life of a perverted high school student, constantly dreaming of a harem and sneaking peeks at girls. His reality shatters when a beautiful girl asks him out, only to reveal herself as a fallen angel and slay him. Rias Gremory, a gorgeous senior and powerful devil, grants Issei a second chance by resurrecting him as her servant and recruiting him into the school's Occult Research Club. As Issei adapts to his new existence, he endures grueling training and battles to survive the treacherous realm of angels and devils. Alongside his new companions, every adventure blends humor with risqué moments, all while he conceals his dual life from his family and classmates in High School DxD.

In a realm where a chosen few can manifest their souls as powerful weapons, these individuals, known as Blazers, attend the illustrious Hagun Academy to train as Mage-Knights. Ikki Kurogane stands out as the only F-ranked Blazer, widely dismissed as a failure. After accidentally catching Stella Vermillion, an A-ranked Blazer and princess, in a compromising moment, she issues him a duel with grave consequences: the loser must become the winner's slave. Convinced of her certain triumph, Stella prepares for their clash. As Ikki fights to demonstrate his value in a society that views him as the weakest, he acquires new allies, knowledge, and experiences.

In High School DxD New, Issei Hyoudou, the high school pervert dreaming of becoming the Harem King, is drawn into even more intense adventures. While the Occult Research Club carries on with its usual duties, Issei notices that their Knight, Yuuto Kiba, has become unusually distracted and less alert. Upon investigating, Issei discovers Kiba's dark and violent past connected to the mysterious Holy Swords. Having endured a brutal experiment, Kiba is now driven to exact revenge on those responsible. The return of a familiar enemy, coupled with the arrival of two new Holy Sword users, pulls Issei and his fellow Devils into yet another sinister scheme.

Following the vanishing of the crimson sun and the catastrophic Breakdown Phenomenon that wipes Arata Kasuga's town from existence, reality is artificially reconstructed thanks to a magical grimoire entrusted to him by his childhood friend and cousin, Hijiri Kasuga. When Lilith Asami arrives to investigate the disaster, she demands Arata surrender the book or face death. Refusing both options, Arata instead enrolls in the clandestine Royal Biblia Academy. There, he encounters six other magic users who, alongside Lilith, comprise the Trinity Seven, the academy's elite members each wielding unique abilities. Fueled by his determination to rescue Hijiri, Arata and his new companions launch an exhaustive quest to halt the total destruction of his hometown and restore his cherished friend.

Louise Françoise Le Blanc de La Vallière attends the prestigious Tristain Academy, where she struggles with magic, causing her spells to frequently fail. Mocked by her peers as "Louise the Zero," she faces a critical moment when first-years must summon their familiars. Louise's attempt results in a massive explosion that everyone assumes is another failure, yet Saito Hiraga emerges from the chaos. Initially treated as a mere servant, Saito is forced to perform menial duties such as cleaning Louise's clothes and eating off the ground. However, a strange mark resembling that of the legendary familiar Gandalfr appears on his hand, hinting that he is far from ordinary. As Saito adapts to this unexpected new life, Louise begins to uncover her true potential, proving she is more than the humiliating nickname suggests.

As summer break begins at Kuoh Academy, Issei Hyoudou, the Red Dragon Emperor, and the Occult Research Club members restart their operations. Following their clash with Issei's rival Vali and the Chaos Brigade, it becomes evident that Rias Gremory's peerage still lacks sufficient experience. To ready themselves for upcoming dangers, Rias and Azazel guide the group through rigorous training in the Underworld. Throughout this period, the team's bonds deepen, and Issei becomes increasingly entangled in intimate relationships with the club's female members. Simultaneously, their adversaries grow in both strength and quantity. The crisis escalates with the sudden appearance of Loki, the Evil God of Norse mythology, paving the way for dramatic showdowns and intense devil battles in High School DxD BorN!

In the online game Cross Reverie, Diablo reigns supreme as the highest-level player wielding the rarest items and defeating all opponents. However, this formidable avatar is actually Takuma Sakamoto, a shut-in gamer who lives entirely within his virtual world. His routine is shattered when a summoning spell transports him into a world mirroring the game, preserving his appearance as Diablo. There, he encounters his summoners: Rem Galeu, a diminutive Pantherian adventurer, and Shera L. Greenwood, an Elf summoner. Their ritual intended to bind him backfires, instead placing them under his enslavement. Takuma is now forced to live as the Demon King, journeying alongside Rem and Shera to reverse the contract while adapting to his new reality.

Basara Toujou's initial encounter with his new stepsister takes a sour turn in a restroom. His life is upended when his father brings home two stunning young women to join the family: the Naruse sisters, consisting of the voluptuous redhead Mio and the petite silver-haired Maria. Their human guise quickly dissolves to reveal their true nature as demons. Mio is the only daughter of a former Demon Lord, while Maria serves as her devoted succubus companion. This shocking discovery also unveils Basara's own lineage as a member of the Hero clan, the ancient adversaries of demonkind. Despite this historic rivalry, Basara feels an undeniable pull toward his new family. Opting to protect rather than fight, he forms a master-servant pact with Mio, pledging to guard her with his unique powers. Now, Basara faces the arduous challenge of shielding his new relatives from the gaze of the Heroes and the hostility of other demons, all while harboring a troubling personal secret.

A century after the devastating Invertia incident weakened world governments and allowed the Integrated Empire Foundation to rise, a new type of human known as Genestella appeared, possessing incredible powers. These gifted individuals attend prestigious academies to battle in public tournaments called Festas. Ayato Amagiri enters Seidoukan Academy on a scholarship, an institution currently struggling. When he inadvertently catches Julis-Alexia von Riessfeld, the Witch of Resplendent Flames, in an embarrassing moment, she demands a duel. Although the fight never happens, Ayato declares he has no desire to join Festas, as his main objective is locating his missing sister. Yet, as a dark conspiracy begins to emerge, Ayato is compelled to fight for his life against some of the most powerful Genestella in the world.

In the world of Infinite Stratos, Japan developed the IS, a formidable exoskeleton suit that only females are capable of piloting. Due to its overwhelming destructive potential, an international treaty prohibited its deployment in warfare. Fifteen-year-old Ichika Orimura, who miraculously possesses the ability to operate an IS, is compelled to attend the Infinite Stratos Academy, an exclusive all-girls boarding school dedicated to training IS operators. Upon arrival, he reconnects with childhood friends Houki Shinonono and Lingyin Huang while forging a connection with Cecilia Alcott, the representative from the UK. Closely monitored by his older sister and homeroom teacher, Chifuyu Orimura, Ichika and his fellow students must rely on their piloting abilities to defend the school and themselves against the myriad dangers that arise during their eventful school life.

On Itogami Island's Demon District, Kojou Akatsuki leads a standard high school existence until a sudden event grants him the colossal power of a vampire. This change draws immediate attention, exposing him as the Fourth Primogenitor, a legendary and terrifying vampire previously believed to be mere myth. Fearing the destruction he might unleash, the Lion King Organization sends Yukina Himeragi, an apprentice sword-shaman, to watch over Kojou and eliminate him should he turn dangerous. As they navigate their hesitant partnership, Kojou fights to control his new abilities while both strive to shield the city from rising chaos and threats.

While in his second year of high school, Ayumu Aikawa meets his demise while investigating a peculiar house. He awakens beside Eucliwood Hellscythe, an armored girl who reveals herself as a necromancer responsible for reviving him as a zombie. Armed with this new undead existence, Ayumu sets out to discover who was responsible for his death. During a search through a cemetery, he encounters Haruna, a boisterous and energetic girl dressed as a magical girl, battling a bear wielding a chainsaw. After she defeats the creature, Haruna attempts to wipe Ayumu's memory, but instead, he inadvertently drains her magical powers. Stripped of her abilities, Haruna forces Ayumu to assume her role of hunting Megalo, dangerous beings that threaten humans. The narrative unfolds through the chaotic and bizarre daily life of Ayumu, now a zombie, as he adapts to a world where the supernatural is a normal occurrence.

At Kouryou Academy High School, students known as Blazers manifest weapons from their souls and must form pairs to strive for the title of Absolute Duo. Tooru Kokonoe enrolls in the academy driven by a quest for strength and revenge after an unknown assailant murdered his sister and friends. During the opening ceremony, he is compelled into a duel with the student beside him, where defeat means expulsion. Just as Tooru readies himself for battle, his soul inexplicably manifests a shield rather than a weapon, drawing the attention of Julie Sigtuna, a foreign exchange student.

Once considered mere legends, phantoms and yokai are now known to exist alongside humanity after a unique virus altered human perception. This same virus bestowed special abilities upon select individuals, allowing them to battle dangerous spirits. Haruhiko Ichijou and Mai Kawakami are among these empowered youths; Haruhiko utilizes his art to summon and seal phantoms, while Mai channels elemental forces into her martial arts. Joined by the amiable phantom Ruru, they establish Team E at Hosea Academy, an institution focused on managing the erratic nature of these supernatural beings. As the boundaries between reality and the surreal blur, the team must navigate the daily chaos unleashed by the phantoms.

Akuto Sai joins Constant Magic Academy hoping to improve the world and forms a bond with Junko Hattori, who comes from a prestigious ninja lineage. While they strive to create a better tomorrow, Akuto's presence activates a prophecy branding him as the Demon King. As rumors circulate, the school's atmosphere becomes hostile, causing Junko's trust in him to waver. Although Akuto tries to deny this cursed fate, his efforts only reinforce his reputation as a villain. Complicating matters further is a harem of fascinating girls with conflicting agendas, some seeking to punish him while others display true affection. Leveraging his expanding abilities, Akuto battles his misfortune to demonstrate that his predetermined destiny can be altered.

After pulling Rias Gremory from the Dimensional Gap, Issei Hyoudou, the Red Dragon Emperor and self-proclaimed Harem King, returns to his routine high school days with his Occult Research Club comrades: Yuuto Kiba, Asia Argento, Xenovia Quarta, and Irina Shidou. The club heads out on a school trip to Kyoto, only for their visit to a temple to be interrupted by an assault from local youkai. In the aftermath, they discover that the city's legendary nine-tailed fox guardian has been abducted, and the group is wrongly accused of the theft. Now, Issei and his friends must battle to vindicate themselves, salvage their excursion, and shield the city from looming catastrophe. Back in Tokyo, Rias remains with Akeno Himejima and Koneko Toujou, growing increasingly anxious about leaving the lecherous Issei unsupervised with the other female members. Underneath this worry, however, lies a more profound uncertainty: what are the genuine emotions Rias has been grappling with over the last several months?

Shuuichi Kagaya seems like a typical high schooler, yet he harbors a mysterious power to transform into a monster, the origin and purpose of which remain a complete enigma to him. While trying to save a girl named Claire Aoki from a fire, Shuuichi involuntarily shifts into his monstrous form. In the chaos of the rescue, he loses his phone. The following day, Claire confronts Shuuichi, convinced he is the creature she witnessed. When he denies it, she shoves him off the school rooftop to test her hypothesis, forcing him to transform once more to prevent serious injury. Claire records the event and blackmails Shuuichi into sharing whatever he knows about monsters, even though his understanding is minimal. Her real objective is to locate her own sister, who has also experienced a similar transformation. United in their quest for answers, the two embark on a search, unaware that others are hunting for the same truth.

After heroically defending Tristain, Louise Françoise and her familiar Saito Hiraga face increasing pressure to protect the kingdom. Across the sea, Albion holds a fragile peace as its newly crowned Queen Henrietta struggles with internal unrest and a mysterious foe plotting against her reign. Faced with these escalating dangers, Louise and Saito must join forces once more. Louise has shed her old moniker "Louise the Zero," now commanding Void magic potent enough to level an entire village, though controlling such power proves difficult. As tensions rise, the concept of selfless loyalty is put to the test, yet Louise and Saito remain steadfast in their commitment to their duties until the very end.

In the realm of Alcia, an individual's status and capabilities are dictated by their Count. Dropping to zero results in exile to the Abyss, a destiny considered worse than death. Hina, a wanderer whose Count fluctuates with her travels, is motivated by a vow to honor her mother's dying wish before the woman was dragged into the Abyss. To accomplish this goal, Hina hunts for the legendary Aces, warriors from a conflict three centuries ago distinguished by a white star beside their Counts. Along her journey, she meets Licht Bach, a mysterious masked figure with a negative Count, and Nana, a tavern keeper. When a military officer assaults Hina, Licht steps in to defend her, displaying a second Count bearing the white star to confirm his identity as an Ace. The narrative tracks Hina and her companions as they expose the concealed secrets of Alcia, the nature of the Abyss, and the enduring legacy of the Aces.

Following his heroic actions in the Albion conflict, Saito Hiraga is granted a knighthood and elevated to the rank of a noble, leaving Louise Françoise Le Blanc de La Vallière uncertain about how this change affects their relationship. No longer simply the master of a seemingly powerless familiar, Louise struggles with the shifting dynamic between them. During a visit to a castle, she is attacked by the skilled mage Sheffield but is saved by Saito's timely intervention. The battle reveals unusual effects from Void magic, suggesting the existence of another Void user. Louise also notices that Saito's magical runes are beginning to deteriorate, prompting them to seek out the elf who once revived him. As they set out on a journey to repair the runes and restore their bond, the two must face these challenges together.

In "How Not to Summon a Demon Lord Ω," Diablo, the Demon King, returns, now posing as a deity. After a chance meeting with High Priest Lumachina Weselia, Diablo and his companions decide to accompany the young woman on her mission to root out the deep-seated corruption within the Church. Lumachina mistakenly believes Diablo is the true God, a misunderstanding he uses to his advantage while protecting her during her first task to find the righteous head paladin, Batutta. The journey adds Horn, the grasswalker, and Rose, the Magmatic Maid, to the group. As they continue traveling, the central questions emerge: can Diablo fulfill Lumachina's wishes, and will the Demon Lord from another world be able to maintain his divine deception?

In the second season of The Asterisk War, Ayato Amagiri and Julis-Alexia von Riessfeld move forward in the Phoenix Festa following an intense battle against Irene and Priscilla Urzaiz. Their progress becomes complicated when it is revealed that Ayato's powers remain sealed, a detail now exposed to their opponents. Facing this major disadvantage, the two must develop new tactics to stay in the competition. As the obstacles become more severe, they confront increasingly powerful enemies.