Kisaki Tominaga

Age: 15
Height: 170 cm

Attending a prestigious girl's school. Yuushin's stylish, outstanding childhood friend. She confessed to Yuushin when they were young. Later on it will be known that for Yuushin, she is just his best friend. She later on moves to the UK, wishing Hiyori good luck with her relationship. Her plan is to study medicine in UK in order to become a doctor. At the end she marries Tanaka, the former class representative.