Komako Semenovich

Chie's half-Japanese, half-Russian friend who often visits the candy shop with her. She has lived in Japan for a long time and thus, is fluent in Japanese. When Komako transferred to the school, she was bullied by the boys for her appearance, but the situation was handled by Chie and nowadays she's also friends with her ex-bullies. She calls the protagonist "oji-san".