Plötsligt bor hon med sin svärmor och svärsystrar ... och de ber honom att komma in.

Father remarries. I couldn't accept the sudden event and promised myself that I would greet them with a good attitude. However, the mother-in-law and sister-in-law who arrived were extremely beautiful! Shouldn't this be rather welcoming? Let's make them all friends and enjoy a superb sex life.