The story is about Ooshima, a non-social university student, and Murai, his overly friendly neighbor who is from the same university. Ooshima has a physical relationship with Shousuke who is in his class, however, Shousuke treats their relationship as a joke. Ooshima gets lonely and, after spending some time with Murai, his feelings waver.

Contains two oneshots:

Pink na Kajitsu: About guy whose boyfriend likes nipple play.

Aigan Kareshi: A doctor gets a visit from an ex-boyfriend soon after getting divorced.