Hajime and Rei were childhood friends and lived in the same neighborhood. She wasn't a boyfriend or girlfriend, but both of them weren't blessed with a family environment, and at first they were a father-son family. Her father is violent and a camp fanatic. Rei is a motherless family. Her mother was in love with Hajime's father. Hajime's father took the money Hajime earned from his part-time job and left with Rei's mother. In a situation where there was no money left, the two of them snuggled up and had sex all the time in an empty house...
