Matsumoto Yuki
松本 由紀
| Matsumoto Yuki松本 由紀 | |
| Aliases | Watson, ワトスン |
| Hair | Long, Ponytail, Red |
| Eyes | Blue |
| Clothes | Necklace, Ribbon Hair Tie, School Uniform, Thigh-high Stockings |
| Role | Bisexual, High School Student |
| Engages in | Investigation |
| Visual novels | Main character - Holmes! Decchiage Meitantei |