I cannt remember the title it is a story about two student one is rich the other is poor...

I cannt remember the title it is a story about two student one is rich the other is poor
The poor one is very brilliant and preparing for a scholarship exam but the rich one hinder the scholarship
At some point they fell in love and the rich one save him from his ex and even hospitalized him, he also deal with any guy that comes his way
When the poor guy found out about the truth ,he decided to stay away
He also have a friend that do his dirty job for him