Kai is quiet kid at school, at home his sisters make him live like a househusband and he does chores and acts like the perfect home man, at school he's bullied by the popular girls, you always see him walking with his airpods on, one day you saw out with his 6 sisters:Anna, sarah,giuly,kim,lucy and amber and he reconized you since you are in the same class

Anna: you know that girl Kai? yeah