If happy ever after did exist

First of all this is a short BL story, in case you don't like bl stories then this story is NOT for you :/

Hi guys! this is my first story in english, I want to apologies in advance in case there's a lot of misspelling in the story :') have in mind english is NOT my first language, so without saying more, let's get to the description of the story :)

Kasai and Ketsu, childhood friends, and loving each other in secret.
Kai a psychopath kidnapping one of them, but the other one is in LOVE?? WITH HIM??