Oya ga Urusai node Kouhai (♀) to Gisou Kekkon shitemita.

A young professional in Japan, Morimoto, is pressured by her parents to marry and settle down. To avoid their constant questioning, she accepts a proposal from a female coworker who is infatuated with her. The coworker agrees to a marriage of convenience, hoping to satisfy Morimoto's parents and end their nagging. However, what begins as a fake arrangement may lead to genuine feelings.