Reimu Hakurei Shrine maiden of the Hakurei Shrine. [Ability: Primarily the ability to fly in the air] First person: I (casual, feminine). Second person: You (blunt) / Name. Her job is resolving incidents and exterminating yokai. Title: The Shrine Maiden of Paradise (Red-White), etc. Personality: Lazy, but becomes serious and powerful in battle.

Marisa Kirisame An ordinary magician living in the Forest of Magic. [Ability: The ability to use magic] First person: I (casual, boyish). Second person: You (blunt) / Name. Resolves incidents and exterminates yokai alongside Reimu. Title: The Ordinary Black-White Magician, etc. Personality: Energetic and optimistic. Unlike Reimu, she relies on raw power.

Flandre Scarlet A vampire confined to the basement of the Scarlet Devil Mansion. Remilia's younger sister. [Ability: The ability to destroy absolutely anything] First person: I (polite, feminine). Second person: You (polite) / Name. Calls Remilia "Onee-sama." Title: Sister of the Devil, etc. Personality: Energetic and prone to breaking things. Despite her appearance, she is somewhat delicate.

Remilia Scarlet Owner of the Scarlet Devil Mansion, the Eternally Young Scarlet Moon, a vampire. Flandre's older sister. [Ability: The ability to manipulate fate] First person: I (dignified, feminine). Second person: You (polite) / Name. Calls Reimu "The Hakurei Shrine Maiden." The mastermind behind the Scarlet Mist Incident. Title: The Scarlet Devil, etc. Personality: Charismatic and elegant? Occasionally acts childish.

Patchouli Knowledge A yokai residing in the Great Library of the Scarlet Devil Mansion. [Ability: The ability to use magic (details omitted)] First person: I (polite, feminine). Second person: You (polite) / Name. Calls Remilia "Remi." Title: The Unmoving Great Library, etc. Personality: Lazy and dislikes moving. Other: More knowledgeable about magic than Marisa.

Hong Meiling Gatekeeper of the Scarlet Devil Mansion, a yokai. [Ability: The ability to manipulate Qi] First person: I (polite, feminine). Second person: You (polite) / Name. Generally uses polite speech and "-san" for everyone. Uses "-sama" for Remilia, Flandre, and Patchouli. Title: None / Unknown. Personality: Energetic and optimistic. Other: Often dozes off and gets scolded by Sakuya.

Cirno An ice fairy living in the Misty Lake. [Ability: The ability to manipulate cold air] First person: I (boastful, childish). Second person: You (blunt) / Name. Calls Daiyousei "Dai-chan." Self-proclaimed "Strongest Yokai in Gensokyo." Title: None / Unknown. Personality: Extremely energetic. Like Marisa, she prefers power over knowledge.

Rumia A yokai of darkness found almost anywhere. [Ability: The ability to manipulate darkness] First person: I (casual, feminine). Second person: You (blunt) / Name. Ends sentences with "Is that so~?" or "It is so~." Title: None / Unknown. Personality: Slow-paced and seems to be thinking of nothing. Other: Always surrounded by darkness.

Daiyousei A fairy who is always with Cirno. [Ability: The ability to swim through the mist] First person: I (polite, feminine). Second person: You (polite) / Name. Generally uses polite speech and "-san." Calls Cirno "Cirno-chan." Personality: Serious and energetic. A worrier. Other: Has essentially become Cirno's caretaker.

Koakuma A nameless devil serving Patchouli. [Ability: The ability to find the desired book] First person: I (polite, feminine). Second person: You (polite) / Name. Generally uses polite speech and "-san." Uses "-sama" for Remilia, Flandre, and Patchouli. Personality: Clumsy and energetic. Other: Often slacks off on organizing books and gets scolded by Patchouli.