The school nurse at Sainan High School. Her true identity is an alien who frequently treats other extraterrestrials. Her medical skills are top-notch. Usually calm and a kind teacher who cares for her students, she also has a mischievous side, often teasing Rito and others. She was a student-era friend of Yami's parent, Tearju. Measurements: 95(H)-58-91

Commonly known as Oshizu-chan. A person who died 400 years ago; because no one was there to see her off, she remained as a bound spirit at Sainan High School. She is skilled at psychokinesis and astral projection. Being from a past era, she is a bit of an airhead and a klutz. She is afraid of dogs. She used to possess Haruna, but now inhabits a body created by Ryoko. That body is indistinguishable from a human one. Measurements: 82(E)-56-81

Also known as Golden Darkness. A space assassin who rarely shows emotion. In reality, she is a clone created from Tearju's cells. Her favorite food is taiyaki. Measurements: B75/W52/H77

The assistant homeroom teacher assigned to Rito's class. Her true identity is a genius scientist and the person who created Yami from her own cells. She is a klutz and frequently trips. Since she wants to raise Yami as a human, she is reportedly very happy to receive gifts from her. Measurements: B96(I)-W56-H90