Kizuite yo B.F.F.

When Aki receives an offer from Ayumu, an attractive college student he has a crush on, to move into a shared house with him, he immediately jumps at the opportunity. Joining Aki in the move is Taichi, a close friend who always looks out for him. Excited at the prospect of living in close proximity to Ayumu, Aki soon allows himself to become an outlet for Ayumu's dirty desires. However, when Taichi catches them both in the act, Ayumu brazenly invites him to "join in" the festivities...!!

(Source: Renta!)