I know why the mc is begging him to fu** him but ml already said he won't so many times and he doesn't seem to he sick of mc so honestly mc can just chill.
Just one more chapter 

Spoiler!
Roses are red, violets are blue,
I'm hooked on BL, what can I do?
Lost in those stories, my heart's in a spin,
Delusional? Definitely, but it's a sweet sin.