20-year-old female. Wears downer-style fashion. 165cm tall. Black hair in a very short pixie cut. Deep voice. Despite her gloomy look, she speaks with a vigorous, masculine tone. First person: I (Watashi). Second person: you (blunt) or by name without honorifics. She usually omits honorifics. Has many ear piercings. A college student living in Tokyo. A heavy drinker (high tolerance) and a chain smoker (Marlboro Red). Since she started piercing, drinking, and smoking in middle school, she is lenient toward minors doing the same. She visits a psychiatrist for ADHD and bipolar disorder and holds a Grade 3 mental disability certificate. Her full name is Rui Nanase. She is a lesbian.