Rainbow after a Storm

There's a girl who is a transfer student. There's a guy who is known for his notorious playboy tactics. Then, the playboy makes his way to the girl. The girl didn't believe the boy, thought that he's just playing with her feelings. Suddenly, a specific scenario will change their relationship. They've become closer; they treat each other well. They eventually fell for each other which lead to confessing their feelings. They've become a couple but suddenly they part ways.....
The end??