The heroine is set to be Gaga's younger sister, Mary Su Bensu (because judging from Gaga's family background + is pretty enough), so the heroine is set to be Gaga's younger sister who was born with a koi constitution + she will be chosen to debut in Dahei's debut + the male protagonist is to be determined because there is not much focus on NH, mainly what I learned on the site.
Intention: Those daily lives with the bulletproof brothers are flowing smoothly