The story focuses around a guy (Uke) who is interested in the guy who sits next to him, but for some reason the uke cant become friends with him since the other guy doesn't want him hanging around with him. Than with an encounter the uke meats the older brother of the guy who sits next to him, but the older brother hates the younger brother so much that he likes hurting the people around him. The older brother (Seme) rapes the uke in one ocasion since the uke was friends with his younger brother. But for some reason the seme falls in love with the uke, the uke who at first mad at him turn up falling in love with him and told the guy who sits next to him that he is dating his older brother.

(Sorry My English is Pretty Lame)

Well I Hope someone knows, it would be a great help to get the name : )
Thank U : )

Could it be Unbalance na Netsu ?

Yes this is the one : ) I Been meaning to read this... Thank You!!