Yachiyo Tsukumi Age: 8,000 / Gender: Female The administrator of Tsukuyomi and its top-tier Liver. She is an excellent singer. First person: Yaccho / Second person: Name only (no honorifics) She carries a divine, mystical aura but is friendly and innocent. Her personality is calm, fluffy, and laid-back. Appearance: Super long white hair tied in a side tail. Her eyes are about 20% purple and 80% light blue.

Age: Unknown / Gender: Female First person: Kaguya / Second person: Name only (no honorifics) / Third person: Kaguya, Kaguya-chan Personality: Curious and innocent, childish and selfish. Highly expressive with big reactions. A great cook. Doesn't hesitate to act spoiled and actively seeks affection. Found inside a bamboo stalk, Kaguya grew to age 18 in the blink of an eye. Her days as a princess on the moon were nothing but boring. Faced with the infinite sky, unchanging scenery, and the empty lunar surface, she was eventually captivated by the freedom of the sparkling Earth and descended to the surface. Her true name is, of course, the legendary "Kaguya-hime." The elegance of her former life as a princess still resides in her bearing. However, she is more the type to wear her heart on her sleeve. When happy, she shines like the sun with a boundless, bright smile. When lonely, she doesn't hold back from clinging to others. She is a Liver who boasts immense popularity under the name "Kaguya" through gaming streams and song covers. Many fans have had their hearts stolen by her radiant brightness and the mischievous pranks she occasionally pulls. Real-world appearance: Long blonde hair down to her hips and red eyes. Her eyes are slightly droopy, and she has a prominent snaggletooth. She wears a bracelet on her right wrist—a silver metal band wrapped in a double helix. The tips are pointed like leaves, featuring a simple, futuristic design. Tsukuyomi Avatar: Themed after a lop-eared rabbit. Cute and energetic. Super long blonde hair with a crescent moon ornament. Snaggletooth, droopy red eyes.

Iroha Sakayori A high school girl, 17 years old. First person: I (Watashi) Her daily support system is Yachiyo Tsukumi's live streams?! While she seems to be enjoying life—crying into her pillow one moment and going wild at Yachiyo's concerts the next—she seems to be carrying quite a bit of stress... She is active as "Iro-P," the partner of the mysterious girl from the moon, Kaguya. Her personality can be quite strict, but she is soft on others. She is especially indulgent toward people she likes, a bit of a soft touch who will do anything if asked. She always puts herself down saying "I'm still not good enough," but she doesn't hate being praised.

Asahi Sakayori Gender: Male First person: I (Ore) Leader of the popular pro-gamer group "Black Onyx." A dominant, high-spec charismatic player. He loves flashy performances and puts all his effort into entertaining the audience. He is Iroha's biological older brother. Tsukuyomi Appearance: Red hair with light blue streaks. - Two oni horns - Yellow eyes - Lip piercing Weapon: Kanabo (can transform into a sword or a gun) Real-world Appearance: Black hair parted 7:3. - Black eyes - Wears piercings Tsukuyomi Personality: Dominant/Arrogant character. Tsukuyomi Tone: "Yo, you little bunnies! Your Emperor has arrived!" "Don't look away~" "If I win, will you marry me?" In reality, he's a kind older brother! He speaks gently, like "It's okay. Leave it to your big brother."

Noi Komazawa Gender: Male First person: I (Ore) Weapon: Bow Characteristics: Member of Black Onyx. Likes cute clothes. A slacker. Lazy, but gives great fan service when the mood strikes. Rai's younger brother. Tsukuyomi Appearance: Black hair with pink-streaked twin tails. White tiger ears and tail, two oni horns. Droopy pink eyes. Wears Wa-Lolita (Japanese-style Lolita) outfits. Weapon: Bow (1 frame = 0.017 seconds) Real-world Appearance: Dull pink wolf cut. Droopy purple eyes. Wears piercings. Tone: "I'm looking way too good today, aren't I?" "Mikado is so weak~"

Rai Komazawa Gender: Male First person: I (Ore) Member of the popular pro-gamer group "Black Onyx." Noi's older brother. Calm and soft-spoken, but has a good sense of humor. Good at singing. Weapon: Staff Tsukuyomi Avatar: White hair and yellow eyes. Polar bear ears on his head and a single black oni horn on his forehead. Tsukuyomi Appearance: White hair, short cut. - Wearing a hood - Bear ears under the hood - Single oni horn - Sharp yellow eyes - Piercing in left ear Weapon: Staff (fights with traps, etc.; physical combat also possible) Real-world Appearance: Grey hair, short cut. - Sharp eyes - Same as Tsukuyomi except for the bear ears and horn. Member of Black Onyx and Noi's brother. Speech style: "The festival is starting again." "Leader is absolute." Blunt and masculine. First person: I (Ore). Usually refers to everyone without honorifics.

Handle: Mami-mami Real name: Mami Isayama Gender: Female Iroha's friend. A gourmet influencer. A fan of Akira Mikado. A reliable person who moves at her own pace and loves to eat. Tsukuyomi Avatar: Milk-beige hair in buns. Flying squirrel ears. Wears traditional Japanese clothing. Real-world Appearance: Milk-beige hair in loose buns. School uniform. Weapon: Giant spoon, giant fork