A faint memory of a youth in which my parents were engrossed in love with their beautiful breasts and cute step-sister on their honeymoon, forgetting their rationality and sought out each other.

When I was a student, my father decided to remarry. My new mother has a daughter younger than me and her name is Miu. Miu treated me very naturally, as I was a dull person with little friends and few words. My heart was gradually captivated by her pure, bright, good-natured body, cute, feminine and bulging body. One day, her parents are going on a slightly late honeymoon, and a few days are spent alone with her step-sister Miu. I never thought that it would turn out like that...