These animal familiars are for those battlesakura who doesnt wield weapons, but instead they have familiars who can form into certain kinds of animals. Actually, any green battlesakura will have an animal familiar.
Mineko, cat-girl for Miko. Sakuma, demon-girl for Geisha. Kotori, bird-girl for Razzi. Umiika, fish-girl for Chef. Tsushi, bug-girl for Envoy.