志熊 理科

A freshman and highly capable mad scientist. She has a habit of inserting any sexual innuendo possible in her sentences, to the point where she finds it normal to convert any innocent thought into something perverted.

As a fujoshi, she is a passionate consumer of BL doujinshi and magazines, is comically aroused by intercourse between mecha. Rika is proud of her pervertedness, as she says that she would be a boring person if people only thought of her as a genius girl.

To compound her eccentricity, she speaks in the third person. Rika was a shut-in before joining, being isolated from the outside world her personal room in the school, she prefers the life of a loner like Yozora and like her, is extremely anti-social.