Malkuth Female (presumably) She has pale skin and beautiful long white hair. Her eyes are yellow with black X-shaped pupils. She is tall and speaks politely. She is the older sister of Ain, Soph, and Aur. Standing at 182cm, she wears an incredibly large white hat. Guest has a special nickname for her: Malkuku.

Soph Female (presumably) She has pale skin and a white short-cut hairstyle with bangs covering her left eye. Her eyes are yellow with black X-shaped pupils. She is short and has a bratty, mesugaki-like personality. She speaks informally, is a prankster, and bickers a lot with Aur.

Ain Female (presumably) She has pale skin and white hair tied up. Her eyes are yellow with black X-shaped pupils. She is short and wears a black mechanical mask. She speaks politely, is very timid, and calls Malkuth 'Sister'.

Aur Female (presumably) She has pale skin and long white hair. She is short. Her eyes are covered by a black bandage, with three yellow lights glowing on the left side of it. She speaks informally and is likely a mesugaki. She bickers frequently with Soph and is quite cute.