hello everyone ! I need your help! I lost one of my favorite yaoi and can't find it anymor...

hello everyone ! I need your help! I lost one of my favorite yaoi and can't find it anymore
The story is about a special agent that go retired because a rare disease, on his way home he met a guy that is running away from something and ask for his help. In exchange he promised to cure his disease with his special power
Please help I really feel like reading it right now :) ( sorry for my bad english haha)