Чики

Character appears in Haru-iro Astronaut. Tomoki is elder twin sister of Mami, she is a shy girl with strong sense of duty and a great spirit of sacrifice. She likes to have colored borders on her cloth accessories. Because of her sister's dating affairs she was always the one to deliver the message to the guys that Mami wants to break up with them. Those boys always asked Tomoki out after that and she always refused. Having Mami as a bad example, it resulted that Tomoki wants to find a boy with whom she would have mutual love.