Tea ceremony club president and the first to ask him to join a club. Naomi offered Masaya tea to which he says is tasty, she asks him to join the club. Her legs were shaking when he introduced himself with his demonic stare. Despite being told stories about Ma-kun, she believes that he will not harm any of the club members. Naomi knows Ma-kun follows her home, she catches him in the act but doesn't say anything she appreciates it. Naomi likes Ma-kun too, she gives him her scarf as a remembrance when she goes to college.