Kageyama’s scowling face makes it really hard to kiss his boyfriend, who’s always convinced Kageyama is pissed at him when he tries to make a move. So their sempai give him some advice. (contains brief mentions of Asahi/Nishinoya)
Haikyuu!! - Ou-sama no Kiss (Doujinshi) is a completed manga by Chestnut (Tsuo). It blends comedy, boys' love and sports. You can read all 1 available chapters of Haikyuu!! - Ou-sama no Kiss (Doujinshi) online for free on MangaPulse; the newest is Chapter ?, added 2020-01-06. The series is finished, so you can read it from start to end in one go.