Family: Grandparents, Parents, older sister, younger sister
Position: Centerfield
Throws/Bats: Right/Right
Uniform number: 8
D.O.B: May 14
Blood type: O
Height: 172cm
Weight: 64kg
Yamanoi is an easy going guy and cool under pressure. He has a good sense of humor and teases Junta. He is Tosei's centerfield.