Uwasa no Midori-kun!! 2 Futari no Midori!?

A popular manga has come to the NDS world! You take control of Midori. She is actually a girl, but she joins a boy's high school without telling her secret to anybody. One day, Midori and her friends carry out a training camp for a next soccer game. But, she meets Tsukasa, her first lover, there, and their checkered school life begins... (from HimeyaShop)