Iwadeyama Atsushi

Miki's brother and owner of the curry shop that the protagonist frequents. It is not known if its because of her sister constantly taking care of him, but he has a severe case of siscon. In order to raise her important sister, he works likes a madman. Openly declares that if there is any bastard out there that dares to get close to his sister, he will throw them into the pot and boil them alive.