Alternative Name: 不要向我弟弟许愿

Genre(s):

Demographic: N/A

Summary:
I was an only child, but when I woke up, a younger brother appeared. Even more frightening is that this younger brother can unconditionally grant any... MORE I was an only child, but when I woke up, a younger brother appeared. Even more frightening is that this younger brother can unconditionally grant any wish... for a safe life, for the sake of world peace, as his sister, I sincerely advise you to not to make a wish to my younger brother. HIDE