Older sister and the sweet love heavy H that are special privilege "amane" of the youngest child . Protagonist Daisuke commutes to the boys school of all dormitory system, Very ordinary boy. When such he goes home after a long absence on Natsu holiday... There is not a house. Home was demolished and disappeared. And it is a sudden telephone from father. "It decided to come forth to the travel of my search, You must be indebted to the Nonomura-san house for a while. " The telephone has cut if it says that much. His father was a person of the that sort of feeling for a long time...

However the biggest problem for Daisuke, The Nonomura family is six sisters, all the members are woman. Daisuke that woman doesn have immunity really in womans garden, Does life be able to do well?