I SHALL NEVER RETURN

Amafuji Ken longs to tell his best friend Youshinari Ritsurou how he really feels. In the way of that admission is Ritsurou's girlfriend, Moeko. After dropping out of high school, Ken gets Ritsurou to live with him.The angst begins when Ken sleeps with Moeko to get to Ritsurou. — Description from AniList community (anilist.co).