Ichika is married to a man with a child from a previous marriage and lives a peaceful life helping out at the coffee shop he runs. However, her stepson Makoto is not like that. Unable to suppress his feelings for Ichika, he demands sex with her. She tries to settle the situation by giving him a blowjob, but Makoto, unable to let go of his feelings, leaves home. A year later, Makoto, who had left home, loses his job and moves in with her again. Ichika is worried about whether she will be able to treat him like a family member, Ichika suddenly, tragedy strikes...