Takuya decided to share a room with a house near the university because it was convenient for commuting. There, Takuya meets two mature women, Reiko and Natsuko, who live with him. Seeing Reiko and Natsuko's gentle smiles and delicious home-cooked meals, Takuya begins to think that room sharing is a good idea, but... However, that night, a sweaty Reiko and Natsuko in provocative camisoles arrive in Takuya's bedroom...
