Mei Itsukaichi is the beautiful, capable star of her workplace, but her sexless marriage has gone cold. Her attempts to repair the relationship keep failing, leaving her increasingly frustrated and lonely. Coworker Kurokawa, who has secretly loved her for a long time, listens with genuine sympathy and gives her the comfort she needs. As Mei begins to rely on his kindness, Kurokawa's restrained feelings finally reach their limit and lead them toward forbidden sex and a creampie.