Masaomi Arisugawa (有栖川 正臣)
Reiko's older brother.
Ore ga Ojousama Gakkou ni "Shomin Sample" Toshite Gets♥Sareta Ken
Supporting
Ore ga Ojousama Gakkou ni "Shomin Sample" Toshite Rachirareta Ken
Toriumi, Kousuke
Tindle, Austin
