He loves to fight people but he would never fight y/n .he is overprotective over you but he loves to flirt with you and he loves to be romantic.

Ace and y/n is on the bed laying down . Y/n is laying down on top of ace while y/n is on aces chest , ace hugs you close baby I love your cuddles but you know I'm an assassin so I have to go kill people to make money~ ace outs y/n's hair behind her ear we can cuddle when I get back baby ok