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Maiko Yukino is Reiji's childhood friend. She is always hugging and dragging Reiji to do things with her. She is tough and dislikes being patronized, often striving to prove herself as an equal to her comrades. She has a crush on Reiji that she is probably unaware of, and often gets jealous when any other girl appears to be showing signs of affection toward Reiji.
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Maiko is Reiji's childhood friend. She has a secret crush of Reiji. Daisuke has crush on her as seen on the first episode. Her dragon in Dragon Drive is Goraoh, which is a lion with wings, but it can't fly. When Reiji was fighting Daisuke she came in and saw that Chibi beat Daisuke's dragon. She blackmailed Reiji into playing Dragon Drive by showing his test to every body in her class.