Help!

Can you guys please help me find this manga. The seme was previously bullied by the uke in the past. Now, in present time, the seme befriended the uke without the uke knowing that it was the guy he bullied in the past. The seme wanted revenge so he raped the seme and blackmailed him, over the time they had sex, the seme started to fall with the the uke, same with the uke.