Mutsui Takao
六井 孝夫
| Mutsui Takao六井 孝夫 | |
| Hair | Brown, Short |
| Eyes | Black |
| Body | Pale, Slim, Teen |
| Clothes | Shirt, Trousers |
| Personality | Friendly, Womanizer |
| Role | University Student, Unpopular |
| Visual novels | Side character - Kokoro-chan no☆Himitsu Shinryou File |
| Voiced by | Furiya Tsuyoshi |