You ONLY serve ME -TodoDeku-

Izuku Midoriya is a personal servant to the soon-to-become-king Todoroki Shoto that has a dark obsession to his oh so cute and inoccent servant, but there is also a hot-headed blonde who is apparently Izuku's childhood friend that Izuku is in love with him ever since childhood. Who do you think will Izuku choose..
READ TO FIND OUT.

They have quirks
Izuku never got the OFA (One For All)
And Touya never left
Origin part has a slight spoiler
Oh, and I DO NOT OWN THE CHARACTERS