Yamaguchi Tadashi's family was big. His father was a construction worker and his mother was taking care of the house and their five children. Tadashi was middle child, he had two older sisters - Ruqa and Chisaki, one younger sister named Suzume and younger brother named Hanzō. For so many people their house was rather small, all the siblings shared one bedroom. Their material standing wasn't great, but the family was always supportive and understanding, full of love and hapiness. Until... or - story about difficult background, cute siblings interactions and relationships to be formed