Mami
Character appears in Haru-iro Astronaut. Mami is younger twin sister of Tomoki, she is a hopeless childish girl who speaks about herself in third person. She likes to have colored dots on her cloth accessories. Since she can't refuse the kindness of boys she never said "No" when they confessed to her, but she soon breaks up with them. This behavior always caused trouble for Tomoki, because she was the one who had to deliver the message of break up.