Haikyuu!! - Usotsuki Canon (Doujinshi)
Complete | Bubunhanten (Circle) | 2000 released
Haikyu!! Dj - Kurayami Ga Kowaku Naku Naru Houhou.
Complete | bubun hanten (kazuki rai) | 2015 released
Ack! Its a Toy! Webtoon
Complete | Offcar | 2019 released
Someone else's BL Manhwa