The protagonist's superior and later co-worker at work. She's a prideful woman with a strong desire for power. She has an arrogant attitude at work, especially towards male employees, but that attitude changes completely when she's at home with her husband and her beloved son. She really dislikes the protagonist, so she's always making things difficult for him. She frequently uploads lewd pictures of herself online under the name Usagi-san, until she is caught by the protagonist.