Kaya-chan Isn't Scary: Chie Hasumi

 A teacher who is in charge of classes all year round at Hanamai Kindergarten. She is kind and serious and has enough power to throw away suspicious people. However, since she has no psychic powers, she cannot fight against monsters with her strength. While she is the person who understands Kaya the most, she is also the one who is swayed the most.