Heartbreaking Yaoi Mangas

It's full of uke's misery from mistreated from seme. He's been cheated by him and some forced, raped sex. Uke's hold on for 10 years and seme didn't change. One day he feel ill and when he's check up to hospital, he got a cancer. The doctor interest in uke and he's the one that take uke away from abusive seme. Unfortunately uke's died from his cancer and seme regret all his do but its too late. Later seme also caught some illness. Honestly i like seme changed but it's no use. I hope author makes