Kenken
Kenken, personnage E de Kaya-chan Isn't Scary.
Aperçu
He is a friend of Kaya's, attending the same preschool class at Hanamugi Kindergarten. He is a lively, playful and mischievous boy. He is always picking on Kaya, who stands out from the crowd. He is always saying mean things to her, but he is also honest enough to apologize properly when it is necessary.