The uke and seme have been together for a long time, but the uke suffers of his health condition with cancer as his lover goes on to be a jerk and cheats on him behind his back. The uke knows of this, but chooses to not acknowledge it. Meanwhile the uke's doctor develops feelings for him and tries his best to cure him at any cost.
Really depressing read. I cried knowing I went through a similar experience.
10 years where I loved you the most