| Keigo Matsushiro | |
 | |
| Gender | Male |
Keigo Matsushiro (松代 圭吾, Matsushiro Keigo) was a student at North High Class 1-5 in year 0 and a member of the Kendo Club.
Etymology[]
- The name Keigo means "square jewel, corner, angle, edge" (圭) (kei) and "I, me" (吾) (go).
- Keigo's surname Matsushiro means "pine tree, fir tree" (松) (matsu) and "generation" (代) (shiro).
Trivia[]
- Keigo has fun by inquiring into the relationship between Goto and Noboru Toyohara.