Azusa remarried and had a new son. However, she has two problems... Her eldest son is a hikikomori, and her husband's dick is very short and also has premature ejaculation. One day, Azusa happened to see her stepson's dick. She became obsessed with it and couldn't sleep, venting her sexual frustration on her sons. Although she feels bad for her husband, Azusa can't stop her affairs with her sons...
