Haruka Takai is an obedient female student characterized by long brown hair, blue eyes, a height of 154 cm, and body measurements of 92-58-94 cm. Her birthday falls on September 12 and she has blood type O. She lives near her senpai and harbors deep romantic feelings for him. Her interests include playing tennis and a fondness for sweet, fluffy objects such as small rabbits, while she dislikes frightening monsters and creatures. A notable physiological trait is her extreme sensitivity to physical contact; touch anywhere on her body elicits intense pleasure. Her documented narrative centers on her first visit to her boyfriend's house. During this encounter, which constitutes her initial sexual experience, she willingly submits to his advances. This episode represents her sole storyline within the available official media.