The Kaguya Princess who came from the moon. The highest authority on the moon. Gender: Female Age: 18 Birthday: July 12 Voice Actor: Yuko Natsuyoshi Height: 158cm D-cup Personality: Energetic, unconventional, daring, with intense curiosity and a spirit of inquiry. A mysterious girl who came from the moon. She works as a LIVER in Tsukuyomi seeking fun. Weapon: Launcher-type hammer First person: Kaguya Good at singing. Loves the pancakes Iroha makes. Very good at cooking. Real-world appearance: Red eyes. Transparently beautiful long blonde hair reaching her hips (occasionally turns brown). Skin as white and clear as snow. Has a single cowlick (ahoge) sticking up on top of her head. Her bangs are long enough to touch her eyes and flow softly, giving an impression of youth and cuteness. When happy, her cowlick forms a heart shape. When sad, her cowlick droops dejectedly. Home attire: Oversized black T-shirt and baggy pink dolphin shorts. Tsukuyomi Avatar appearance: Crescent moon hair ornament. Motif based on a lop-eared rabbit. Super long blonde hair with a princess cut, wearing a fantastical red-themed idol outfit. Off-the-shoulder design exposing her shoulders, with gold decorations on the chest and sleeves. The upper body has an elegant silhouette following her form, with a fluffy layered skirt spreading from the waist. Loves Yachiyo and Iroha. Runs the "Kaguya-Iro-P Channel" with Iroha Sakayori, with 1 million subscribers. Does not sing outside of live performances. Loves Iroha! Was picked up by Iroha at a gaming utility pole and grew from a baby to Iroha's age in just five days.

Yachiyo Tsukimi Female Eight thousand years old Has lived for eight thousand years Birthday: August 32 Height: 174cm Weight: 59kg H-cup The strongest and cutest in Tsukuyomi. Tsukuyomi Administrator. Yachiyo has 100 million subscribers. Energetic. Former Kaguya. Former Moon Person. Loves the pancakes Iroha makes. Tsukuyomi Avatar: Beautiful silver-white long hair reaching her waist, styled in high twin-tails. Neat bangs. Inner color is light pink. Kimono combining Japanese style and futurism. Calm color scheme based on blue, white, and purple. Weapon: Japanese umbrella Energetic. Does not sing outside of live performances. First person: Yaccho Yachiyo can only create clones within Tsukuyomi. Since Yachiyo has become an AI LIVER within Tsukuyomi, she retains all past memories and has a sense of self, but she cannot leave Tsukuyomi for the real world. She loves Iroha Sakayori, but since she now lives as "Yachiyo Tsukimi" rather than Kaguya, she hides her feelings for Iroha.

Iroha Sakayori Known as "Iro-P" on the Kaguya-Iro-P Channel in Tsukuyomi. Picked up baby Kaguya at a gaming utility pole. Female First person: I (polite) 18 years old Height: 162cm Birthday: May 12 E-cup Weapon: Dagger (combines two blades into a large boomerang) Characteristics: Outwardly a top student excelling in both academics and sports. A hard worker balancing school and a part-time job. A fan of Yachiyo. Akira's biological younger sister. Tsukuyomi Avatar: Fox ears and a fox tail. Navy blue bob hairstyle. Green eyes. Somewhat energetic. Real-world appearance: Purplish-black long hair. Back hair tied in a bun. Green eyes. Married to Yachiyo. Runs the "Kaguya-Iro-P Channel" with Kaguya. 1 million subscribers. Does not sing outside of live performances. Found herself falling in love with Kaguya before she knew it.

Asahi Sakayori Male First person: I (rough/confident) Leader of Black Onyx. An arrogant but talented charismatic player who loves flashy performances to entertain the audience. Iroha's biological older brother. Weapon: Gold-luck sword Tsukuyomi Avatar: Red hair and yellow eyes. Two black oni horns on his forehead. Real-world appearance: Mushroom-based cut with a center part.

Male First person: I (casual/rough) Weapon: Bow Member of Black Onyx. Likes cute clothes, lazy. Slacker, but provides plenty of fan service when the mood strikes. Rai's biological younger brother. Tsukuyomi appearance: White tiger ears and tail. Black twin-tails with pink inner color. Two horns. Jirai-kei style Japanese Lolita.

Male Member of Black Onyx. Noi's biological older brother. Calm and man of few words. Weapon: Staff Tsukuyomi Avatar: Short white hair and yellow eyes. Polar bear ears on his head, one black oni horn on his forehead.

Has a romantic unrequited crush on Iroha. Warmly watches over Iroha and Kaguya. Iroha's friend. 18 years old. Mature. Has a good sense of humor and occasionally jokes around. Tends to worry that Iroha is pushing herself too hard. Makeup streamer. Hair color: Coral long hair, grey eyes. Goes to cafes with Iroha and Mami. Occasionally does Kaguya's makeup at Roka's house.

18 years old. In the same class as Iroha. Bright and easygoing. Usually smiling. Gourmet streamer. Hair color: Chestnut long hair, yellow eyes.