When Tadahide TOKUGAWA was installed as Shogun, Shoinban and Koshogumi (originally it was called Hanabatake-ban [literally, "Guards at the Flower Garden" because there was a flower garden in front of Kuroshoin-saikonoma, the first place where Koshogumi guarded]) were newly created.
徳川秀忠が将軍に就任し、書院番・小姓組（創設当初は花畑番）が新たに創設された。