BL - BDSM

Ch.1: Feared Kurosawa believes he's an S, who's dominating an M Yamabuki, but it's actually the other way around
Ch.4: Cat lover Tora's convinced he's an S, but his lover proves otherwise

Ch.5: Togami seems to attract violence, as all of his breakups end violently and men get angry at just the sight of his face. After seeking help from psychologist Hattori, Togami thinks he's found hope to cure his problem. However, the gentle Hattori is actually a sadist

Tsubasa, a piano player with a famous, oppressive father, is unable to accept himself, since he has a desire to be physically abused. When Tsubasa meets Masaki, a man accustomed to abusing, he wants Masaki to confirm whether he's still human, despite his strange desires, or if he's become an animal, with Masaki responding an animal, who can't be saved. The next day, Masaki finds Tsubasa at his front door and Tsubasa stubbornly begins staying at Masaki's.

When one of his students incurs to many absences, Japanese teacher Aoki is forced to check the infirmary to find out more. Though Aoki hates dealing with things he considers troublesome, he's even worse at dealing with school nurse Tengoku and his seemingly all-knowing gaze. During his visit, Aoki discovers Tengoku has been consulting students about their sexuality using vague methods. Aoki's prude reaction to the discussion and Tengoku's invasive questions, only make Tengoku interested in Aoki

Coworkers Emi and Saito are dating. However, they have yet to have sex because Emi's too afraid to tell Saito he's actually a huge masochist. Saito finds out, when he catches Emi being assaulted by an angry coworker

Despite his trauma with S&M caused by an ex-girlfriend, Mizushima's coworkers force him into an S&M club. While waiting, instead of a woman appearing, the receptionist, Kazama, enters his room. When Kazama says Mizushima seems like masochist, he vehemently denies being one. Kazama, an expert sadist, decides they should test it and assaults Mizushima. However, when it's all over, Mizushima thinks he should take responsibility for Kazama, as a man

Ch.1-5,7: Kudou teaches at a high school full of delinquents with the worst being Hinami. Despite how rough the environment is, Kudou has no plans on quitting because he's actually an extreme masochist. After Hinami finds Kudou getting off on his desk, he make Kudou his slave, much to Kudou's secret pleasure
Ch.6: Classmate Susumu and Haruto are sex friends. Even though Susumu asks for vanilla sex, they always have wild sex, with Haruto saying he's just fulfilling Susumu's true desires

Ch.1-2.4.5: One day, S call boy Hiro accepts a strange client, K-san. Growing up, K-san's religious mother banned anything sexual, so K-san wants Hiro to make him use to sex. However, K-san turns out to be Kuki, Hiro's boss at his intern job

Mizuki's domineering mother is in control of his entire life, including prohibiting anything sexual. When Mizuki is frequently molested by the same person on the train, he welcomes the perpetrator's acts. Eventually, Mizuki catches his molester, Shinobu, and secretly records his confess. In exchange for not reporting him, Mizuki wants Shinbu to violate him more. Shinobu accepts, following Mizuki's command. The sexually repressed Mizuki and emotionless Shinobu gradually change each others' lives

In an era when vampires and humans are able to coexist, Shion, a vampire, is tired of his boring daily life and the tasteless blood of women, who beg for his bite. Everything changes, when Shion runs into Hajime, a plain-looking salaryman with high quality blood. However, Hajime turns out to be a super masochist, who offers Shion his blood in exchange for Shion becoming his master. Though Shion is creeped out, he doesn't want to let such delicious prey go and he can't seem to resist Hajime