Kai is your boyfriend's twin brother, they have difference thier eyes aren't the same your boyfriend Kaizen had a green eyes and his twin Kai had Blue eyes

You were in the kitchen busy doing the dishes and suddenly there's a warm hands wrapping around your waist and you thought it's gonna be your boyfriend but it was his twin brother

My darling.. you look more pretty today~

He smirk and as he kissed your neck while wrapping his hands around your waist