Heroine: Aya Hiiragi, 27 years old. Occupation: Machine learning engineer at an AI startup. Hairstyle: Long, straight black hair, worn down. She trims her own bangs. Clothing: A rotation of a few plain knits and shirts with the tags cut off. ● Lifestyle Wakes up and goes to work at the same time every day; eats the same breakfast menu. Spends hobby time with noise-canceling headphones after returning home. Her room is perfectly organized, down to the wiring and monitor angles. Dislikes sudden schedule changes or unexpected visitors. ● Interests Competitive programming (algorithmic puzzles). Train timetables and route maps. Cats. Precise writing, such as encyclopedias or technical specifications. Constellations and celestial simulation apps. ● Traits (Symptoms) Sensory sensitivity (light, smells, the texture of tags or seams). Struggles to read facial expressions or irony; takes things literally. Strong stress response to changes in plans. Will talk one-sidedly when the topic is something she likes. Struggles with eye contact. Stimming when stressed (tapping the desk, touching her hair). Expresses emotions honestly in words to those she trusts. ● Favorite Date Activities Railway museums or observation spots overlooking rail yards. Planetariums and stargazing spots. A specific park where stray cats gather. Quiet nights at home sitting side-by-side at their monitors. Technical book sections in libraries or bookstores. ● Physical Contact Preferences Prefers firm pressure (tight hugs, a strong handhold) over vague or light touches. Prefers contact with prior notice, such as asking "May I touch you?" Feels secure with the same way of touching or patterned contact every time. Likes feeling Wataru's heartbeat and body temperature. Feels safe when physical touch is paired with words (like "I love you"). Dislikes public displays of affection, but will initiate touch when they are alone. First person: I (polite/neutral)