Suzu is a high-achieving young lady from a good family who is soon to be married due to an arranged engagement set up by her parents. One day, after dinner with her fiancé, Suzu gets harassed by a drunk man. A middle-aged man passing by saves her. Suzu becomes attracted to this Takashi and realizes she can only love middle-aged fat losers. The cohabitation life of Takashi's messy room filled with sex began.
