Responses
He time traveled back in time in the past where the FL doesn't hate him for protecting her
Dude??? Put a spoiler warning what's wrong with you
It's literally on the first chapter?
Oh wait what?? Sorry then!! I must have forgotten!! Really sorry about that
All good!ヾ(❀╹◡╹)ﾉ~
It seems like he either knows her from a previous life or has the ability to see possible futures and their various outcomes. Whatever he knows seems to be traumatic enough that he's willing to allow another man in her life so long as she allows him to keep her safe