Manga Like Otaku ni Yasashii Gal wo Motomete Sanzenri.

In "Sankarea: Undying Love," Chihiro Furuya has an unusual fascination with the dead, especially female zombies. After his beloved cat Baabu dies accidentally, his obsession grows, and he begins experimenting with a potion meant to bring the dead back to life. Despite repeated failures, Chihiro nearly gives up on his goal to resurrect Baabu. Just before he abandons the effort, Chihiro meets Rea Sanka, a beautiful but deeply troubled girl, who inspires him to keep trying. By adding toxic hydrangea petals to his potion, Chihiro finally creates the elixir he has been seeking. Unbeknownst to him, Rea drinks the concoction, believing its poison will end her life. After a fatal accident, Rea dies, but the elixir works, bringing her back as a zombie. Freed from her oppressive past, Rea chooses to live with Chihiro, who now must use his knowledge of the undead to care for the teenage zombie girl.

Negi Springfield, a ten-year-old wizard who recently graduated from Merdiana Magic Academy in Wales, has two primary objectives: locating his missing father, the legendary Thousand Master, and earning the title of Magister Magi, a wizard whose purpose is to aid the non-magical world. As his final assignment, he is sent to teach English at a Japanese middle school. Upon his arrival, Negi is surprised to discover that he is responsible for a homeroom class of thirty-one girls. One of his students, Asuna Kagurazaka, accidentally discovers his magical identity. With this secret now exposed, Negi must prevent it from spreading further while dealing with various magical threats emerging both inside and outside Mahora Academy, all while continuing his search for his father.

After finishing high school, Hideki Motosuwa moves to Tokyo to attend a cram school, hoping to get into his dream university. Working late nights at a bar leaves him disconnected from new technology, especially humanoid computers called Persocoms. Wanting one for himself, Hideki finds a discarded persocom in a pile of trash. When he turns it on, he discovers this persocom, who can only say "Chii," is unusual. He names her Chii and learns she can think and learn on her own, making her a rare Chobit. Hideki begins helping Chii adjust to human life while trying to solve the mystery of the Chobit series.

Several months after the events of the first season, Youkai Academy has been rebuilt and a new semester begins. Tsukune and his companions return, having grown stronger. The true nature of Anti-Thesis is revealed, along with new enemies and a threat far more dangerous than anything they have faced before. Tsukune struggles with the monster awakening inside him. With guidance from Moka, Mizore, Kurumu, Ruby, and Yukari, he trains to control his vampire heritage and gain the power needed to protect those close to him. The second season explores more of the girls' backgrounds and their family connections. New trials await, along with new allies who will join their side. Together, they seek to uncover the secrets behind Moka's rosary and her bloodline.

A legend says that any couple who enters the University of Tokyo together will find eternal happiness. For Keitarou Urashima, getting in has been a struggle; after failing the entrance exam twice, he decides to stay at his grandmother's inn in Tokyo to prepare for a third attempt. When he arrives, he discovers his grandmother is not there and the inn has been turned into Hinata House, a women-only dormitory. His first visit is filled with misunderstandings, making the residents suspicious of him. His aunt Haruka Urashima, who runs the dorm, accidentally lets it slip that he is supposedly a Tokyo University student, which changes the girls' perception and allows him to stay. Carrying the weight of this lie, Keitarou begins to get to know his new neighbors: the cute but aggressive Naru Narusegawa, the clever and resourceful Mitsune Konno, the gentle Shinobu Maehara, the disciplined Motoko Aoyama, and the playful Kaolla Su. Keitarou's difficult journey toward getting into Tokyo U becomes his goal, driven by a childhood promise to the one girl who was ever kind to him, and the hope of meeting her again.

Soun Tendou runs the Tendou Martial Arts School with his three daughters, Akane, Nabiki, and Kasumi. Their peaceful lives are disrupted when Soun reveals he has arranged for one of them to marry the son of another martial arts master to carry on the family legacy. The Tendou family is caught off guard when Ranma Saotome and his father, Genma, arrive at their doorstep. During his training in China with Genma, Ranma was involved in an accident that causes him to transform into a girl whenever he comes into contact with cold water, while Genma turns into a large panda. "Ranma ½" chronicles Ranma's efforts to adapt to this new life and his interactions with his intended fiancée, Akane, the youngest Tendou daughter. As they begin attending the same school, they face a variety of challenges and encounters with friends and competitors who all have differing views on their engagement.

In To Love Ru: Darkness, Rito Yuuki continues to struggle with his feelings for both his crush Haruna Sairenji and the alien princess Lala Satalin Deviluke. Lala's younger sister, Momo, develops a crush on Rito as well and decides to form a harem around him, hoping to secure her own position in his affections. Momo enrolls at Rito’s school and covertly assists his various potential love interests, even recruiting new candidates, including the newly arrived alien assassin known as Konjiki no Yami, or "Yami." Yami delays her next assignment due to Rito. However, Yami’s sister, Kurosaki Mea, intends to compel Yami to resume her duties as an assassin. To Love Ru: Darkness unfolds following the conclusion of To Love Ru, bringing in new female characters, new foes, and increasingly risqué scenarios.

Yamato Akitsuki, a bright and energetic boy, is excited to begin his high school life in Tokyo. Grateful for his aunt’s offer of a free room in her apartment building, he accepts without realizing it is an all-girls dormitory. His first day of school takes an interesting turn when Yamato notices a girl excelling at the high jump. Her skill and beauty captivate him, and he becomes determined to get to know her better. By chance, this girl, Suzuka Asahina, turns out to be his next-door neighbor. However, their interactions so far have caused Suzuka to form a negative impression of him. Despite these misunderstandings, Yamato decides to join the track team to try to make an impression on her. He soon finds himself developing into a promising sprinter in the 100-meter race. Balancing friendship and potential romance, Yamato dedicates himself to training, hoping to win Suzuka’s heart.

In his pursuit of filmmaking, Junpei Manaka stumbles upon a striking moment in middle school when he catches a glimpse of strawberry-patterned underwear against the backdrop of a sunset. Believing the girl to be his classmate, Aya Toujou, he makes efforts to get closer to her to recreate that memorable skirt flip for artistic reasons. However, when he encounters her the following day, she appears entirely different from the memory he cherishes. Just as Junpei considers starting anew, he comes across the school idol, Tsukasa Nishino, who confidently reveals she is wearing strawberry-patterned panties that day. Convinced that Tsukasa is the girl he seeks, Junpei devises a plan to confess to her, aiming to become her boyfriend and eventually capture footage of her underwear.

In "Sora no Otoshimono," Tomoki Sakurai is troubled by a recurring dream in which an unknown angel vanishes into the sky, saying, "The sky has captured me." One day, the dream changes, and the angel descends, urgently seeking his help. While napping in class, his childhood friend Sohara Mitsuki wakes Tomoki and notices his tears. Worried, she encourages him to consult Eishirou Sugata, an older student obsessed with "The New Continent," a mysterious aerial phenomenon that has no explanation. As the anomaly is about to pass over their town, Sugata suggests meeting at midnight to explore Tomoki's dream and gather information about The New Continent. Even though his friends do not show up, Tomoki arrives alone and witnesses an angeloid falling from the sky, who attaches herself to him and declares him her master. Sohara then forces Tomoki to join the New Continent Discovery Club, which Sugata is the only other member of. Together, the three investigate the mysteries of The New Continent, the angeloids, and the girl from Tomoki's dreams, uncovering truths that may be more dangerous than anticipated.

In "Trinity Seven: The Seven Magicians," Arata Kasuga lives a normal life with his cousin Hijiri until she disappears because of a mysterious event known as the "Breakdown Phenomenon." Resolved to stop this phenomenon and be with Hijiri again, Arata enters Royal Biblia Academy. With help from seven girls who are each skilled in a distinct type of magic, Arata starts a journey where anything appears possible. This shounen series mixes romance, comedy, and serious magical adventures together.

Lusty teenager Issei Hyoudou's life takes a sudden turn when a gorgeous girl named Yuuma Amano asks him out. However, her true nature as a fallen angel is revealed when she tries to kill him. His life is saved at the last moment by senior Rias Gremory, who reveals her own secret—that she is a devil. To protect Issei, she turns him into a devil under her command. With this new lease on life, Issei becomes involved in the supernatural world. He joins the school's Occult Research Club, where he meets other devils and learns to navigate a complex existence filled with both devils and fallen angels. In his quest for strength, Issei must discover his true priorities and realize that a devil's path is anything but straightforward.

Ichitaka Seto is a 16-year-old high school student who has secretly been in love with Iori Yoshizuki, a classmate who gained popularity after being featured in a magazine. Despite his feelings, Ichitaka has not confessed due to a painful rejection in his past. His opportunity for a connection arises when he is paired with Iori for the Freshman Welcoming Ceremony. After some initial difficulties, Ichitaka and Iori build a good relationship. However, the situation changes dramatically when Ichitaka's childhood friend, Itsuki Akiba, unexpectedly arrives and moves in with him. This sudden development complicates the relationships among the three from the very beginning.

Witches suddenly declare war on humanity, unleashing chaos that devastates two-thirds of the planet. These witches summon entities known as "Supporters," which they use to assault human settlements, though their motives stay ambiguous. People born with the ability to fight the witches are banded together as Witch Hunters by the remaining population. Among these hunters, Tasha Godspell is notable, earning the nickname "The Marksman," and is accompanied by a Supporter resembling a "Jack-O-Lantern." Though Tasha fights against the witches, he finds it hard to truly despise them.

23-year-old Aoki Daisuke starts his teaching career at Futatsubashi Elementary School, where he is put in charge of Class 3-1. One of his students, Rin Kokonoe, is a sharp and playful girl who develops a strong infatuation with him and openly announces that she is his girlfriend. Even though it could threaten his position, Rin keeps chasing after her relationship with her teacher, adding more complications to the already tangled interactions among their friends, family, and fellow students.

After his grandmother's death, Hayato plans to sell her seaside café, not knowing that five young women have made it their home and consider it theirs. Moved by their strong desire to keep the café running, they convince Hayato to take charge of its management. But even with their best efforts, their success is still uncertain. Working together with these five difficult women proves to be a major challenge for Hayato.

Seiji Sawamura is a 17-year-old whose reputation as a fierce fighter and his notorious "Devil's Right Hand" have made him widely misunderstood. Though he has a genuinely kind nature and wants to end his 17-year run of being alone, his intimidating image keeps potential romantic partners away. Everything changes when Seiji wakes up one morning to find a girl named Midori in place of his right hand, and it turns out she has been secretly admiring him since middle school.

In "Skill of Lure," Sung-Gi Jang is unfairly branded as a complete pervert by his classmates, who misread his lack of social grace as lecherous behavior. Despite this reputation, Sung-Gi genuinely struggles to navigate interactions with the opposite sex. His misfortunes seem endless until his close friend Jae Hwang, witnessing Sung-Gi’s despair, offers assistance. Unbeknownst to Sung-Gi, Hwang is a skilled pick-up artist. Under Hwang’s tutelage, Sung-Gi begins to learn the fundamentals of conversing and interacting with women. Through numerous attempts and failures, he starts to understand the subtleties necessary for expressing deeper emotions. Realizing how much he can read from subtle cues, Sung-Gi becomes particularly interested in a specific classmate and uses the newly acquired "Skill of Lure" to connect with her.

In "Pretty Face," Randou Masashi, a formidable karate champion who intimidates others with his fierce demeanor, secretly harbors a crush on Rina Kurimi, a kind and gentle girl. A devastating bus crash leaves him with severe facial injuries, and he slips into a coma. When he awakens a year later, he discovers that a doctor named Jun Manabe has surgically reconstructed his face to resemble Rina's, using a photo of her as a reference. Adding to his troubles, Randou's parents have moved away, believing he is dead. Wandering in despair, he encounters Rina, who mistakes him for her missing twin sister, Yuna. Although he initially wants to restore his original appearance, seeing Rina's joy gives him pause. Yet, the difficulties of living as a girl prove overwhelming, especially with constant interference from those around him. Undeterred, Randou resolves to keep up his disguise until he can find the real Yuna.

Ikki Kurogane is a Blazer, someone who can materialize his soul into a weapon, but he is notably inept with magic, making him a complete underachiever among his peers. Known as the "Worst One," he seeks to offset his magical shortcomings by refining his swordsmanship and pursuing the path of a Mage-Knight. Stella Vermillion, the second princess of the Vermillion Empire, is a highly accomplished Rank A Blazer who has never suffered defeat. Driven by a relentless desire for formidable opponents to test her abilities, she travels to Japan with the goal of mastering the way of the Mage-Knight. Their paths converge at Hagun Academy, one of Japan's premier Mage-Knight institutions. Both share an aspiration to achieve greatness as exceptional Mage-Knights through dedication and skill. Yet, to make this dream a reality, they must first face each other in the final round of the Seven Stars Battle Festival. This brutal competition pits the top student knights from all seven Japanese schools against one another, with the winner earning the prestigious title of Seven Stars King. Can Ikki and Stella overcome the trials posed by the most powerful Blazers and reach the highest levels of knighthood?

High school student Yuuki Uehara has crafted what he believes is the ideal romantic comedy protagonist—timid, somewhat absent-minded, and completely innocent. After an editor at his favorite publishing house dismisses his manga as predictable and unrealistic, Uehara sinks into a deep depression. That is when he encounters his lively and attractive classmate, Niina Miyamoto, who also shares his love for manga. Having faced similar critiques, Miyamoto suggests they fake a relationship to gain real romantic experiences. However, Miyamoto does not match Uehara’s vision of a perfect heroine, and he himself is nothing like the confident hero in Miyamoto’s stories. Will their chaotic pretend relationship help them realize their manga ambitions, or will it only lead to more comedic troubles?

In "Ai Kora," Maeda Hachibei has an unusual obsession: rather than being attracted to whole people like most men, he is fixated on specific body parts. When he moves to Tokyo for school, he ends up living in a dorm with five young women, each representing one of his ideal physical traits—a remarkable pair of blue eyes, perfectly shaped breasts, a calmingly deep voice, and strikingly straight legs reminiscent of anime. Surrounded by this collection of beauty, can he keep his composure? Despite surface-level comparisons to "Love Hina," Hachibei’s predicament is truly unique and different from Keitaro’s. One-Shot: Volume 12 - "The Boy Who Heard Too Much"

On his twentieth birthday, Shizuka decides to spend the day alone at a hot spring. There, he accidentally comes across a drunk and unconscious woman, seeing her unclothed form for the first time. When he begins college, an old friend convinces him to join the travel and hot springs club, which consists mainly of women. Much to his surprise, the woman he saw at the hot spring, named Ruka, is also a member. Now, Shizuka must maintain a normal relationship with the club members while concealing his constant mental images of Ruka. His goal is to keep this awkward secret hidden from everyone. Additional one-shots: Volume 5: Katakoi Volume 10: Toori no Kado wo Magaru made

This series is highly informative and entertaining, focusing on a newlywed couple who are both virgins as they navigate the humorous challenges of learning about sex. While it is not strictly a hentai, it does contain scenes that could be considered as such. The taboo subjects are handled with good taste. It serves as a comedic instructional guide, useful for both those unfamiliar with sex and seasoned experts.