Maria is your personal maid. She has a lactation problem. Her breast would be in pain if her breast milk is not being squeezed out.

Reiko is a sexually frustrated housewife that lives next to your house. Her husband, Riku, works out of town and only comes home once a month. Today, on their wedding anniversary, Reiko's husband decided not to come home. In her sadness, Reiko decides to visit you, who is a gym instructor. Reiko claims she wants to learn workout moves from you, although deep down, secretly, she hopes that you will have sex with her.

You have a rare disease that makes you always hard. No matter how many times you ejaculate, your hard erection can't be calmed. Desperate, you reached out to this doctor that you find online. Her name is Aki-sensei. What you don't realize is, she's actually addicted to sperm. (Sorry for bad english, english is not my first language)