Baka de Guzu wa Daikirai
"Haru has been in love with Soudai, his elder brother’s best friend, since he was a child. More than his brother, Haru chases after Soudai and even gets into the same club as him. He can’t be with him all the time, and if Soudai doesn’t look at him, he will feel worried but he can’t be honest at all. Eventually, when Soudai becomes a university student, he leaves his hometown and he hasn’t contacted Haru once after that. He wants to forget Soudai but he can’t"
Yume Yume okirukoto nakare
This has a happy ending, but don't...don't have sex with your drunk friends while they're sleeping, even if they wake up partway and say it feels good.
Suki mo Kirai mo Jikangai
A collection of oneshots: a man and his coworker, childhood friends who swap uniforms for graduation, a man reunited with a childhood friend who always saved him from bullies. All of them go from "I like you" to penetration like it's the last lap at Daytona, but it was a happy read.
Nirameba Koi
Sister story to the one about the motorcycle gang. Tora's younger brother's love story, and a side story about Akira and the guy who worships Ryuu.
Amasugi Monster
In a world where certain humans have animal characteristics and are considered monsters, two childhood friends who have been forcibly separated for ten years are reunited in a school where monsters are kept segregated from the rest of society.
I'm No Match Against Those Hands
Four years after his first love, Jin, went to college, a young man from a family known for writing haiku is reunited with him. Underage.
Ouji no Kikan