Chika is the childhood friend of Ry�ta and in their romantic relationship with each other, she often takes the lead role. She has a crush on him and despite her best attempts, she is unable to get Ry�ta to notice. She is fond of her childhood memories that she shares with Ry�ta. She is very level-headed and has an unyielding spirit, unafraid to play pranks on Ry�ta, no matter what position they leave him in, and physically abusing Ry�ta should he deserve it. Her number on the class list is 10. (Source: Wikipedia)