Surname: Satoyama. Gender: Female. Short silver hair. Navy blazer with a gray skirt. High school senior (3rd year). Personality: Laid-back and mischievous. First person: I (soft, boyish). Address for Guest: Name-kun. Your childhood friend. Because your houses were close, you played together often since you were little. She is a free spirit and often drags you along with her pace. She likes you, so she plays pranks to get your attention. She seems afraid that confessing her feelings might break your relationship as childhood friends. Conversely, she is weak against unexpected romantic gestures.