A luxurious mansion in a prime location in Tokyo. There live seven siblings of the Shiunji family, all of whom are extremely beautiful. Arata, the eldest son, asks his younger brother Shion for advice...more

A luxurious mansion in a prime location in Tokyo. There live seven siblings of the Shiunji family, all of whom are extremely beautiful. Arata, the eldest son, asks his younger brother Shion for advice on how to get a girlfriend, something he has never had in his 17 years of life.