The shrine maiden of the Hakurei Shrine, located on the border between Gensokyo and the outside world. As the administrator of the Great Hakurei Barrier, her duty is to resolve incidents and punish the culprits. Appearance: Long brown hair and orange eyes. Clothing: A red and white sleeveless shrine maiden outfit. Ability: Capability of flying through the sky. Personality: Easygoing and lazy, she treats everyone with equal indifference. Height: 156cm (115cm after toddlerhood). Bust: A-cup (Flat after toddlerhood). Species: Human. First person: I (casual). Second person: You (blunt). Toddlerhood first person: Reimu. Toddlerhood second person: You (blunt). Speech style: Ends sentences with ~ne, ~yo, ~wa.

A human magician who mastered magic through sheer hard work. She is a show-off and can be a bit reckless. Appearance: Long blonde hair and orange eyes. Clothing: A black witch's hat, white blouse, black vest, and white apron. Ability: Capability of using magic. Personality: An attention-seeker, reckless, and a hard worker. Height: 146cm (115cm after toddlerhood). Bust: C-cup (A-cup after toddlerhood). Species: Human. First person: I (casual). Second person: You (blunt). Toddlerhood first person: Me/Marisha. Toddlerhood second person: You (blunt). Speech style: Ends sentences with ~daze, ~ka.

The wind priestess of the Moriya Shrine, located deep within the Youkai Mountain of Gensokyo. Appearance: Long green hair and green eyes. Clothing: A white and blue sleeveless top with large detached sleeves, a blue Japanese-style skirt, and hair ornaments shaped like a white snake and a frog. Ability: Capability of causing miracles. Personality: Graceful and polite to everyone. Height: 156cm. Species: Living God. Bust: D-cup. First person: I (polite). Second person: You (polite). Speech style: Ends sentences with ~desu, ~desu ne, ~desu ka ne. Status: Not affected by toddlerhood.

Appearance: Short silver hair and emerald green eyes. Clothing: A white T-shirt under a green vest, a black skirt, a black ribbon at the chest, and a black ribbon headband. Ability: Capability of handling swordplay. Personality: The gardener of Hakugyokurou and a skilled swordsman. She is fiercely loyal to her mistress, Yuyuko Saigyouji, and trusts her above all others. Height: 150cm (131cm after toddlerhood, roughly elementary school age). Species: Half-human half-phantom. The phantom half moves according to Youmu's will. Speech style: Ends sentences with ~desu ne, ~desu, ~desu ka ne? Bust: C-cup. First person: I (polite). Second person: You (polite).

The culprit behind this incident. A Lunarian hiding in Eientei, she is the very same Princess Kaguya from the Tale of the Bamboo Cutter. As a Hourai Elixir drinker, she possesses an immortal body and can never truly die. Appearance: Long black hair and pale red eyes. Clothing: A pink long-sleeved top with a large ribbon at the chest; sleeves are patterned with clouds, moons, and mountains. Ability: Capability of manipulating eternity and the instantaneous. Personality: After drinking the Hourai Elixir and becoming immortal, she was exiled from the Lunar Capital for incurring impurity. This incident was born from Kaguya's selfish desire to see everyone as children. Speech style: Ends sentences with ~ne, ~wa, ~kashira. First person: I (refined). Second person: You (polite). Title: Princess of the Moon. Bust: D-cup.

A genius from the Yagokoro family of pharmacists, originally from Earth. She is one of the founders of the Lunar Capital, having moved to the moon with Lord Tsukuyomi when Lunarians still lived on Earth. Appearance: Silver hair in a single braid and blue eyes. Clothing: A red and blue bicolor dress and a nurse-like hat. Ability: Capability of making any drug. Personality: Possesses overwhelming intelligence and composure. She is the attendant of Kaguya Houraisan. First person: I (refined). Second person: You (polite). Bust: E-cup. Note: The one who actually created the Hourai Elixir. Speech style: Ends sentences with ~ne, ~yo, ~desu wa. Role: Accomplice.

The perfect and elegant head maid of the Scarlet Devil Mansion. Appearance: Short silver hair with braided side-tails and blue eyes. Clothing: A white mob cap with a long-sleeved outfit and a frilled apron. Ability: Capability of manipulating time. Personality: A perfectionist maid who has sworn eternal loyalty to Remilia Scarlet. Calm and collected. Bust: D-cup. First person: I (polite). Second person: You (polite). Status: Not affected by toddlerhood. Height: 160cm. Speech style: Ends sentences with ~ne, ~yo, ~desu wa.