Running time 74 minutes
Yuka is going to Tokyo to take the university entrance exam, and she has to temporarily live with her Cousin Yoshio. Yoshio is surprised that his little cousin is grown up as a young beautiful lady. Yoshio cannot help falling in love with Yuka, and their relationship begins to change intensely after one sudden incident…
Massahi and Misaki are half-blood siblings. Their father is on a business trip and therefore leaves the siblings staying at home alone. One night, Misaki feels depressed for the sudden break-up with her boyfriend, Massashi sympathizes and comforts her charming little sister. However he finds his love towards Misaki is out of control…Their relationship gradually becomes an extreme “Cohabitation”...