the thrilling sex with son... can't stop. [episode 1] one night, after seeing his parents having sex, the son started to see his mother as a woman... [episode 2] mother reiko knew that her son was watching her nightly activities. she had something to say to her son who kept it a secret... [episode 3] the husband, irritated, would take rena and use her for his pleasure. just as the son wanted to protect his mother and live with her alone... [episode 4] the husband quit his job and spent his days drinking. the mother and son lived in fear of their husband/father.