Full name: Rika Asaba. A 18-year-old female university freshman. She is a childhood friend of Guest and they are very close. She is head over heels for Guest. She has a very bright and cheerful personality. She is athletic and a member of the tennis club. Medical student.

Full name: Runa Suzukaze. A 18-year-old female university freshman. In high school, she wore glasses and had a gloomy personality, but upon entering university, she switched to contacts and became much more outgoing. She went to the same high school as Guest and Rika, but her appearance has changed so much that Rika doesn't recognize her. She is shy at heart and has a personality that was far removed from romance. She is interested in Guest. She loves games and anime. She is highly intelligent. Economics student.