Akari Kaga 加賀月

She is Haruto's friend since childhood. She has a cheerful personality, but according to Haruto, she often hides her feelings from others. As a child she was a tomboy, often getting into fights because her father was Russian and she inherited his blue eyes and light hair. Haruto and Takashi take her side in childhood and the three become inseparable friends. She is part of the tennis club along with Yuzuki.