Film enthusiast Mao Tsuchiya and his lone wolf roommate Hisashi Otomo make three promises:

① That Mao will never tell anyone that Hisashi is gay and has a boyfriend,
② That Hisashi will never approach Mao "in that way," and
③ That they'll respect each other's "private time."

The second-years' ground rules should ensure a peaceful life together in their dorm, but reality is never as simple as it seems in the movies, and some things are not so easily promised...

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