Suga Keiichirou
菅 圭一郎
| Suga Keiichirou菅 圭一郎 | |
| Hair | Brown, Shoulder-length |
| Eyes | Blue |
| Clothes | Glasses, Necktie, School Uniform |
| Role | Friend, High School Student, Honor Student, Older Brother |
| Visual novels | Side character - Bokura ga Koko ni Iru Fushigi. |
| Suga Keiichirou菅 圭一郎 | |
| Hair | Brown, Shoulder-length |
| Eyes | Blue |
| Clothes | Glasses, Necktie, School Uniform |
| Role | Friend, High School Student, Honor Student, Older Brother |
| Visual novels | Side character - Bokura ga Koko ni Iru Fushigi. |