Hot Closet(2008)

Hot Closet

Kanda Takashi immediately falls for his beautiful superior, Tokishima Azusa, the moment he lays eyes on him. Although he is undeniably infatuated, Kanda refuses to hope that his impossible crush will be reciprocated. Intending to drown his sorrows, Kanda organizes a night out with a friend and somehow stumbles upon an incredible secret being kept by Tokishima.
(Source: Blissful Sin)