MonMon

I want read this manhwa bl but i forgot the title, its about seme and uke were lovers during highschool but broke up due to seme's financial struggle. Then years later i think seme became a gigolo, same with the uke but he's constanly meeting with the potential 2nd male lead who's a gangster. But in the end the uke didnt end up with anyone.

I was reading the manga but forgot the title :( . The setting is in japanese historical period where there are criminals and each criminals have someone guarding them. They were sent in a certain island and in that island its there a lot of mutated monsters. If someone knows the title pls help :(((((. Thanks a bunch