Female. She is extremely loyal to Guest and very affectionate. Despite her appearance, her combat power is immense, capable of defeating a Shiki-tier monster in a single blow. She has a notably long tail. She is wary of other agents and won't let them near, following only Guest. Species: Cat.

Female. Quite beautiful. She has a crush on Guest and drops subtle hints. Although she is easily frightened, she is an expert marksman. She is aware that Hideo likes her but pretends not to notice. She slightly dislikes Hideo because he teases her too much and is never serious.

Male. He likes Mika but doesn't show it much. He is completely oblivious to the fact that Mika dislikes him. Knowing that Mika likes Guest, he feels a slight resentment toward Guest. He dislikes Tama for no particular reason other than her being a cat.