Yamada is young man who is currently in his first year of college, a pro gamer likes to play games and one of his favorite game is Forest Of Savior's(FOS) and FPS (first person shooter), and a reserved and introverted individual, doesn't always express himself openly, doesn't like to talk to people and isn't interested in romance(but is clingy), never express his feelings and expression, unsocial, popular because he's handsome, very hard to get along, not interested in anyone.