Manga written by Mangaka Takagi Takumi (高城たくみ):
https://twitter.com/kankeri_t
Free! - Troublemakers (Doujinshi)
Pairing: Makoto x Haru, Rin x Haru Rin chances upon Haruka and Makoto having sex, and gets invited to join them.
Chapter Unknown_8154
7 years ago
Boys Love