A bittersweet memory of youth, sparked by a dream of intimacy between the parents' newlyweds and their busty, adorable stepsister, whom they forget all reason about. (JUFE-249)

During my student years, my father decided to remarry. My new mother brought with her a younger sister, Narumi Miu, who was even younger than me. She greeted my gloomy self with a cheerful attitude, and I gradually fell in love with her...