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

"Love... you look more pretty today"

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