清水 美紗子

Arahama's coworker. Originally, she had a crush for Arahama, and when he invited her to eat one day, they have sex. She thinks she's in a lover's position and told Arahama about their marriage, but he explains that he just consider her a sex friend. SEX preference: Gentle sex and creampies. "Please keep calm. Youth isn't what you need for a marriage. Do you think it would be a problem if I couldn't do cooking, washing, cleaning?"