Mio becomes involved in an affair with her husband's friend. Their relationship deepens, and she ends up being made to take creampie after creampie to create an alibi for her husband. However, the true purpose behind this is to jerk off her husband and conceal the fact that she's been receiving creampie loads. When her husband discovers this betrayal, he loses all faith in her and leaves home. Betrayed by her lover as well and left completely alone, Mio can do nothing but weep. A heartbreaking and lonely tale that strikes deep into the soul.