Ch.4: Accepted to a prestigious all-boys music school, Chihiro becomes roommates with Wataru, the target of many students. Though Wataru says he's not gay, he keeps teasing Chihiro
Ch.6: Everyday, Atsurou is called by Nao to tune his late grandfather's old piano, despite Atsurou always telling him there's nothing wrong
Ch.5: Annoyed by his neighbor's violin playing, Sakimoto hits the wall, causing a hole, and meets the violinist, Hoshina. Though Sakimoto is attracted to Hoshina, Sakimoto's preparing to move out soon and now they're worried about how to pay for the repairs
Ch.5: Newbie idol Sora has always been a fan of idol Akihi, who always wears handmade rings from fans, but Sora's upset since he's Akihi's never worn the ring he'd gifted him. Sora's anger only increases, after Akihi confesses his feelings for Sora
Ch.6: Gay and socially awkward, Sawayama vents by creating music and posting it online, under the name Uchika. After receiving a message and cover of his song from a singer, going by Zumi, the two form a music pair, Chica-Zumi. Through their messaging, Sawayama quickly falls for Zumi, despite never even meeting him
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.
Ch.5: Daiki goes to a music festival featuring his favorite band. Without having planned where to stay, Daiki ends up accepting fellow fan Ren's offer to share his tent. Daiki finds out Ren's real motives in inviting him, after getting drunk.
Inose is a famous composer with the ability to hear the sound of a person's sadness, whether he wants to or not. One day, Inose finds himself captivated by a beautiful sound that he's never heard before. Following the sound, leads him to a dull lawyer, Masumi. Masumi's sound inspires Inose to compose, leading him to want to hear more of it and find the cause of his sadness. However, Inose is surprised to discover the sound stems from Masumi's feelings for his brother
Rui and Hibiki are celebrating their fifth anniversary of debuting as an idol duo. With work the next day, Rui suggests that Hibiki spends the night at his house to make things easier. After searching their names, the two discover explicit doujinshi featuring them and Rui gets turned on imagining it. At Hibiki's suggestion, they reenact the doujinshi. However, they are caught in the act by their manager, who wants them to start dating for the fans
As Kento lay, collapsed, in the corridor of his new apartment, close to freezing to death, he is saved by his neighbor Soushi. Though Kento initially believed Soushi was a shinigami, due to his serious, scary face and all black clothing, Soushi is just a socially awkward metalhead. However, after a year of sharing meals and fun memories together, Kento growing feelings for Soushi make him more afraid to reveal he's gay
One Night Lesson