Pure

In this game, the player takes control of Shin Tadokoro, a 17-year-old exchange student. He attends the new school for one year only, because of his father's job. Afterwards, he'll have to go back - so there is no time to lose! The boy must do something about all those pretty girls in his school. But in order to capture their hearts, he will have to know them better...

[Edited from Moby Games]