Satomi owns a traditional tea and herb shop in the modern times, who is also a 'doctor' for different creatures that needs help. The payment she asks however vary, depending on the case of each individual.

Aries is a soft-spoken guy who works as a librarian, but actually works as well in the underground as a 'doctor' who assists the mafia and those who can't be treated directly in hospitals. (he's pansexual)