Sissy

Shishii (シシー) is an Uchuu Keiji assigned to assist Hyuga Kai. She was portrayed by Momose Misaki.

Sissy is an Uchuu Kagaku Sousakan (宇宙科学捜査官) a police-scientist division of the Ginga Renpou Keisatsu. She was only seen assisting Kai on-board the Grand Birth.