BL - Blackmail

Pg. 86-114: Hihara has a crush on his friend's dad Houji. After discovering an orgy AV featuring Houji, Hihara uses the sex tape to blackmail Houji into having sex with him

Ch. 5: In order to win over his crush, infamous Yagino blackmails student council president Ookami into helping Yagino practice his oral technique

Ch. 7: After confessing to his teacher Tachibana and getting rejected, Sasaki blackmails Tachibana, using a picture of him leaving a hotel with a man, into going out with him

Ch. 4-5: When he's caught with a secretly taken picture of his crush, otaku Odagiri gets blackmailed into being school playboy Saiga's slave. Though they become closer after bonding over manga, after Saiga's orders become sexual, Odagiri tries to end their relationship

Ch. 3: After high schooler Iori blackmails elite salaryman Sera with an AV he filmed 10 years ago, Iori takes Sera to a family restaurant to do indecent things.

Ch. 5: Minami is forced to live with his subordinate Nishikawa, after Nishikawa blackmailed him with a video of them having sex while drunk.

3rd year Yuzuru is a timid introvert, whose weak presence has earned him the nickname Ghost-senpai. One day, while trying to retrieve his pencil case which Kyoya, a popular kouhai, picked up, Yuzuru is caught by Kyoya looking through his desk. Kyoya suddenly asks Yuzuru to be his friend and Yuzuru is delighted, until Kyoya clarifies he means sex friends. But, when Yuzuru tries to back out of their new friendship, Kyoya blackmails Yuzuru.

6 months ago, Taichi was forced by his friends to gloomy top student Naoya to their group project. Now, Naoya hassuddenly confessed to Taichi. When Taichi rejects him, Naoya becomes depressed, not only by the rejection, but by the comments of the onlookers. Later that night, Naoya shows up at Tachi's apartment to violate and blackmail Taichi into dating him. However, he's not actually Naoya, he's Naoya's alter Yuuya.

After being caught kissing his senpai in the old library, Kaoru begs Yajima not to tell anyone, expecting to be extorted. However, Yajima only asks Kaoru to become his friend, but Kaoru still feels as though Yajima is planning something.

Haruma and Ryouhei are childhood friends that used to be as close as brother. In middle school, after hearing Ryouhei got a girlfriend, Haruma began masturbating while wearing panties and imagining Ryouhei looking at him lustfully. Burdened by his one-sided love, Haruma distanced himself from Ryouhei. Now in high school, Haruma has come down with a fever and, with everyone else gone, Haruma's sister asks Ryouhei to take care of him. However, in doing so, both their hidden desires get revealed.