|Satou Masashi佐藤 雅史|
|Role||, Childhood Friend, Full Brother, High School Student|
|Engages in||, Soccer|
|Visual novels||Side character - To Heart|
|Voiced by||Hoshi Souichirou (PSX)|
Childhood friend of Hiroyuki and Akari. Member of the soccer club, his friendly personality makes him very popular.