Doukoku Soshite...

In this game, you play the role of a high-school student. A bus takes him and his classmates to the school every day. But this time, just when the hero was talking to one of his classmates, the lovely girl Riyo, a car drove up to the bus, there was a sound of a crash, and then the hero became unconscious. When he woke up, he found himself, his classmates (most of whom were girls), and a couple of unknown people in a locked room in a strange mansion. Soon the hero realizes som