[Nurikofan]

Originally Posted by only2luvanime

it goes something like a girl liking a boy who's popular and then another boy who is the total opposite of him but looks just like him. Then the boy she likes is hospitalised and when he comes out he tells her to go with the other boy......

I think what you are talking about might be Suki Shite Sadist by Shinjo Mayu.
I'm not too sure but its plot line sounds like this.