Kimijima Kyoudai no Honkai
Takumi wants to embrace his honor student older brother Hikaru, who brings home people, man or woman, for sex. Takumi suppresses his feelings by having sex with the partners Hikaru has thrown away. But when Hikaru suspects Takumi is lying to him about it, he is no longer able to hold back. Takumi reveals he knows Hikaru's true desire is to be the embraced and messed up and Takumi ends up violating Hikaru.
Jibun Katte.
Hideaki always gets in the way of his childhood friend Tomo's relationships. When Hideaki finds out Tomo was keeping his new girlfriend a secret from him, they fight. Tomo's feelings for Hideaki start to change when he discovers that Hideaki has a boyfriend.
Miraiken de Ai o Tsumugeba
Ch. 1-3,6: In high school, Hibi confessed to his senpai Sugino, only for Sugino to write-off his feelings as a misunderstanding. Five years later, Hibi has returns to his school as a librarian and reunites with, now teacher, Sugino, who says he likes Hibi Ch. 4-5: Hozumi likes his playboy childhood friend Kanata. When he hear Kanata has someone he really likes, Hozumi has a harder time hiding his feelings, but Kanata also starts acting differently when Hozumi says he's not interested in girls
Nani mo Iwanai
Ch. 1-2: When his CHF Emi starts dating a girl, Iori steals her from Emi, but Emi had a similar plan Ch. 3: Masai wakes up with amnesia after falling from the stairs. 3 years later, his student Zen seems to have a connection to his lost memories Ch. 4: When even Noizu's crush Chris choses his popular twin Rizeru over him, Noizu starts pretending to be him Ch. 5: Delinquent Hotaka is secretly an onee. When he makes his first friend, shoujo otaku Kaori, he wants to stop hiding his secret
Renai Saiban no Yukue
Ch.1: Lawyer Sobaru commits a crime while his unrequited love, frivolous lawyer Igawa takes a nap Ch. 2: Art student Takeoka is captivated by insecure genius artist Harumachi Ch. 3: Chiyota and Shigeru's thoughts and taste are so similar, Shigeru always ends up stealing Chiyota's girlfriends Ch. 4: After Zenichirou's boyfriend Kou suddenly asks to breakup, he finds him working at a butler cafe Ch. 5: Playboy Mario falls for his neighbor and CHF Chihaya, who can't stand being touched
Bukiyo Na Bokura No Sukima