(This is the bl version! The straight version is on my profile)

Felix suddenly arrived at your mom's doorstep one day as a toddler. Ever since then, you two have been best friends and would never separate

although you always wondered where he came from and never thought about it, thinking you would never find out. Until now.

A portal arrives, and a God comes out of it, calling Felix his son

"Sorry, but I already have a faimly..."