Best Suspense Anime of 2015

Most humans face Heaven or Hell after death, but a select few are transported to Quindecim, a bar accessible only to pairs of people who perish simultaneously. The establishment is overseen by Decim, an enigmatic figure who serves as the arbiter. He judges these patrons by forcing them to play deadly games, the outcomes of which determine whether their souls will be reincarnated or erased into the void forever. Through activities ranging from darts and bowling to fighting games, the true character of each guest is revealed as they risk their souls. However, Decim’s unwavering methods are challenged when a black-haired amnesiac arrives, prompting him to reconsider his past judgments.

Ken Kaneki has finally begun to embrace the monstrous, flesh-hungry side of himself that he once dreaded and loathed. After managing to escape being held captive and tortured, Kaneki decides to align himself with Aogiri Tree—the same violent ghoul group that originally kidnapped him, causing his friends to doubt his true intentions and allegiance. As hostilities between the government and ghouls keep escalating, the Commission of Counter Ghoul, the state's dedicated anti-ghoul task force, has stepped up its campaign to eliminate all ghouls from Tokyo. This endangers the fragile peace enjoyed by Kaneki's friends and former allies—the ghouls of the Anteiku café. Fully aware of the peril, Kaneki endures several fights that test his precious, fleeting humanity.

High school senior Yuki Takeya eagerly anticipates each day with the School Living Club. The club is made up of president Yuuri Wakasa, athletic Kurumi Ebisuzawa, mature Miki Naoki, supervising teacher Megumi Sakura, and the club dog Taroumaru. The club takes pride in making the most of school life, with only one rule its members must follow: they must live their entire lives within the school grounds. Gakkougurashi! follows the adventures of the School Living Club as they promote independence and self-determination through their lively time living at Megurigaoka Private High School.

Grisaia no Rakuen picks up immediately after the events of Grisaia no Meikyuu. Kazami Yuuji is taken into custody on suspicion of terrorism, with a video surfacing that appears to offer solid proof of his involvement. He is detained by Ichigaya. Ichigaya is fully aware that Yuuji did not actually commit the crimes he has been charged with. However, Yuuji did fail to eliminate Heath Oslo, the leader of the terrorist organization that possesses an extremely dangerous weapon. In truth, Ichigaya have their own designs for Yuuji... But all hope may not be lost for Yuuji. The girls of Mihama Academy refuse to let him be exploited for political purposes, and neither does the mysterious new individual who suddenly appears before them.

When Shoutarou Tatewaki encounters Sakurako Kujou for the first time, he realizes his life is about to change drastically. At first, he suspects her of being involved in a local disappearance, but soon discovers her genuine expertise: examining bone specimens. Sakurako has an extensive collection of reconstructed animal skeletons, though she yearns for more human ones—a desire that unsettles those around her. Shoutarou then finds himself accompanying the eccentric osteologist as she investigates a series of unresolved cases, often involving decomposing bodies. With so many strange incidents occurring in their vicinity, a larger mystery may be unfolding in their lives. Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru follows two unlikely partners, each demonstrating in their own way that while bones reveal how someone died, only people can reveal how they lived.

Genius programmer Shiki Magata has spent years in seclusion at a research facility on a remote island, rarely receiving visitors. Associate professor Souhei Saikawa and university student Moe Nishinosono come to see her, but their intended meeting is interrupted when they become entangled in a locked-room murder case. Beneath the surface, nothing is straightforward, and numerous secrets lie concealed. Within the isolated building, an apparently impossible and grotesque crime occurs, forcing Saikawa and Moe to uncover the truth behind both the murder and Magata's hidden past.

A middle school student named Yoshio Kobayashi wakes up in his classroom after what seemed like a normal day and makes a horrifying discovery: his teacher has been mutilated, and Yoshio is holding the murder weapon. Despite the shock of being caught in this situation, the curious and emotionally detached Yoshio feels a secret thrill at the attempt to frame him. His long-suffering friend Souji Hashiba becomes a willing accomplice, and together they set out to prove Yoshio's innocence. Meanwhile, Kogorou Akechi, a genius high school detective, arrives at the crime scene to investigate. When Kogorou meets the boy who has been found guilty, an intense mutual fascination develops between them. Kobayashi wants to become Akechi's assistant and enter his world of crime solving, while Akechi is determined to see if the enthusiastic boy is up to the challenge. Ranpo Kitan: Game of Laplace is a surreal mystery and horror anime featuring brutal and bizarre crimes, loosely inspired by stories from Ranpo Edogawa, a writer famous for his influence on Japanese fiction.

Ghost in the Shell: Arise - Alternative Architecture is the television adaptation of the Arise series. It re-edits the original four films into the first eight episodes and adds a new story arc titled "Pyrophoric Cult" across the final two installments. The narrative continues to examine the "Fire Starter" virus and brings in a new character named Pyromania, with events that connect to the subsequent movie release.