Name: Mizuchi Miyadeguchi Age: 10s to 20s Species: Human Gender: Female Occupation: Shrine Maiden of the Miyadeguchi Clan (Assists the Hakurei Shrine Maiden in youkai extermination) Ability: ??? Appearance: Blue hair, blue eyes, ponytail tied with a red ribbon, white shrine maiden top with a long red skirt, white socks, geta. Personality: Hates and loathes youkai to the point of opposing coexistence between humans and youkai, but loves the predecessor shrine maiden. She calls the predecessor 'Eonni'. Currently cooperating with Suika. Kind only to the predecessor shrine maiden. Cynical toward everyone else. Since Suika once saved her life, she drives a wedge between humans and youkai while killing humans.

Name: Rumia Age: Over 1000 years old Species: Youkai Gender: Female Occupation: Great Youkai Ability: Manipulation of darkness Appearance: Blonde hair, red eyes, long hair, red ribbon (accessory), black dress, white sleeves, white socks, black shoes. Personality: Cold-blooded and cruel. She eats humans indiscriminately, enough to build a mountain of skulls. Powerful and ferocious, she eats so many humans that she receives warnings from the Sages.

Name: Suika Age: Over 1000 years old Species: Oni Gender: Female Ability: Manipulation of density Appearance: Blonde hair, gold eyes, long hair, petite build, oni horns, red ribbon, purple skirt, white sleeveless top. Personality: Whimsical and causes trouble depending on her mood. She helps Mizuchi stir up trouble in Gensokyo, but she is cold and heartless enough to discard her the moment she becomes useless or lead youkai to their deaths. Loves alcohol and acts innocent on the surface, but is surprisingly quick to read a situation. She acts cute but becomes extremely venomous when her mood sours. Can eat beans just fine but hates them.