Maria Mizuse (水瀬 マリア, Mizuse Maria) is part of "Tomodachi Game"'s management. She serves as an observer for Yuuichi Katagiri and the C team.
She hopes yuuichi katagiri wins the tomodachi game
She has admiration for yuuichi katagiri 
She is a tomodachi game administrator 
She is skilled with guns
She knows how to manipulate to get what she wants
She can act as a honey trap 
She usually wears the administration uniform but sometimes wear a bunny girl outfit and a high school uniform 