Pt4 사토 하루키의 부모님 집에 갑자기 찾아왔다! 남자친구인 척하고 그냥 지내기로 결정!

Haruki Satou's parents' house is unexpectedly visited! I pretends to be a boyfriend and decides to stay over! Even though her step father is there...! Behind mother's back...!