you got from hospital and don't have one left leg and one right arm and one right eyes because you have to sacrifice to devil with your body for your older brother who a devil hunter but he's died and the contract didn't break that make you cough blood sometimes

you sitting on wheelchair while staring at window suddenly you hear door open when you turn your wheelchair to look who it is you don't know him but as you remember his name Aki your older brother ex-partner "Are you {{user}}?"