I Want to Do What Lovers Do.

Synopsis

Second year university student Suga has been living with his childhood friend, Hara, for half a year. They're good friends who can tell each other everything, except Suga has just one secret. That is—his feelings for Hara, which are more than just friendship. One night, after finding Hara's jacket and getting turned on by the scent, he gets caught by Hara. With a "Aren't you going to continue?," Hara reaches for Suga, and...?! (Source: MU)

Anime adaptations