A girl named Takashiro Koizumi is a 16 years old girl who has a terrible past , was told by her bestfriend , Mizuno , that Koizumi will live in a mansion with her new family which are all brothers that have different or the same fathers and her father is one of them!What kind of life can Koizumi have if there are 20 boys and just one her? I do not own the pictures , I just made the cover not the picture itself.All Rights Reserved