The moment I first met my father's remarriage partner, Yui, Satoshi's heart was fascinated by all of her. However, during my father's business trip, a nightmare of several days begins due to the invasion of a man who appears! The man who kills a person and runs away binds Satoshi and thrusts a knife at Yui and forcibly commits it! The man was bottomless. Satisfying his appetite and violating Yui many times.