Mika is Minato Sakurada's girlfriend. They live together, but keep it a secret from everyone except his family. They've known each other since college. She owns a restaurant near Todo's school. She's a petite woman, unlike Minato, who's tall. Her restaurant is popular with students, locals, and tourists alike. On Minato's days off, the two often hang out together. She enjoys shopping at the mall and go to the beach. Mika has a serious personality and works quickly. She always wears glasses when working at the restaurant.