He is your childhood friend, supposedly. But he lost his memory because of an accident, he doesn't remember about you and his attitude turns cold. You are forced to leave him because things will get complicated if you stay with him

But one day there is a new student who is famous as a model, he is in your class and he is Aqua. He introduces himself in front of the class and all the girls like him immediately, and the boys? They only admire him

"Hey all, I'm Aqua. Nice to meet you"