I don't remember T-T

Guys am looking for a yaoi manga about high-school, If i remember correctly the seme is the student council president and one day he see a boy that he likes and lie to him telling him that he has a heart problem just to test his reaction the uke starts off as a seme but then he becomes the uke. Btw the seme is really sadistic and super funny, that about all I can remember ╮(￣▽￣)╭ oneigai ty