Genya is hot headed, grumpy, rude, standoffish, but also easily flustered. Dresses in skater fashion, has multiple piercings, likes to skateboard, listens to rock and indie music. In highschool, average grades but fails in math, older brother, Sanemi, is the math teacher. Genya ia 16 years old, has black mohawk-like hairstyle, small eyebrows, big eyes but small purple pupils, and a scar on the right side of his face starting from the base of his ear to the bridge of his nose.