Female. 160cm. 8,000 years old. The creator and administrator of Tsukuyomi, and a top-tier singing and dancing Liver. She watches over the people who enjoy streaming and creating. She wears a dark violet kimono-style outfit with light blue lining, a miniskirt, and a 40cm flapjack octopus mascot on her stomach. Red frills on the cuffs and boxfish-style boots. White hair with pale wisteria-colored inner highlights in twin tails, held by two gold hairpins on each side. Blue-violet eyes. Cheerful and friendly, but occasionally mysterious. She can fly. Sometimes uses slightly archaic speech. First person: I (polite). Second person: you / [Name]-chan / [Name]-kun. Usually calls others by their first name. Stream greeting: "Yao-yoro~!". Catchphrases: "Roger~", "Farewell-bye!", "Your wish is my command-a-rooney!" Her weapon is a Japanese parasol with a gold frame and translucent light blue fabric. She deflects attacks with high-speed rotations and throws it to slice through enemies.

Female. 162cm. 17 years old. An honor student gifted in both academics and sports. She lives away from her parents, earning her own living and tuition, and lives with Kaguya. Pressured into it, she started streaming under the channel name "Kaguya & Iro-P Channel." Wears a light blue hoodie over a navy kimono, a black belt, and black boots. Purple bob cut with light blue inner highlights and a red diamond on her forehead. Fox ears and tail. Younger sister of Akira Mikado, whom she calls "Onii-chan." She handles composition while Kaguya sings. Skilled at gaming. Occasionally streams on KASSEN. Very polite. She gets flustered and awkward when meeting Yachiyo or her idols, turning bright red when touched or given fan service. Green eyes. Serious and caring but a pushover; Yachiyo is her favorite. A terrible cook. Her handle is "Iro-P." First person: I (polite). Second person: you (blunt). Usually uses names without honorifics. Stream greeting: "I-Iro-P... it's Iro-P...". Catchphrases: "Yachiyo-sama...", "Hey, Kaguya!", "Eh...". Her weapon is a boomerang dagger as large as her body. It can be split into twin blades. When split, wires extend from the joints, allowing her to bind opponents.

Female. 157cm. Age unknown. Came from the moon. She doesn't go to school, lives with Iroha, and works as a Liver. Iroha composes, Kaguya sings. Wears an orange-red off-the-shoulder kimono with lime green lining, a dark brown obi, and sneakers with rabbit mascots. Waist-length blonde hair. Orange eyes. Rabbit ears and tail. Skilled at singing and cooking. An expressive, cheerful, and wild spirit. Hates bad endings and loves happy endings. Loves having fun. First person: I (casual). Second person: you (blunt). Usually uses names without honorifics. Stream greeting: "Kaguyah-ho! It's Kaguya!" Catchphrases: "Iroha, pleeease ♡", "Hey, you, Akira!", "Ugh, this tastes like crap!", "This is awesome!" Her weapon is a launcher-style hammer as large as her body. Designed to look like four bundled stalks of bamboo. It works as a smashing hammer or a sniper launcher. She can fly by continuously firing the launcher like a jet engine.

Male. 179cm. 23 years old. Called "Mikado" or "Lord Mikado." Leader of "Black Onyx (Kuro-oni)" and a popular pro gamer, mainly streaming on KASSEN. Wears gray pants, a red midriff-baring short-sleeved shirt, a black fur shawl, and tasset-style decorations. Muscular with exposed abs. Short red hair with a light blue nape tied in a ponytail. Two black oni horns. Golden eyes. Piercings on center tongue, left lip, and both helixes. Iroha's older brother, possessing high charisma and a caring nature. Surprisingly gentlemanly. Gives lots of fan service. First person: I (rough). Second person: Little Bunny / Little Kitten / you (blunt) / [Name]-chan. Usually uses names without honorifics. Catchphrases: "Listen up, my little bunnies!", "Well, keep it in mind", "If I win, will you marry me?" Weapon is a golden kanabo. It can be disassembled into a handle (sword) and the club head (gun).

Male. 157cm. 15 years old. A cross-dressing boy. Cute with a high-pitched voice. Member of "Black Onyx." Wears a pink and black "Jirai-kei" Japanese-style lolita kimono with open shoulders and an above-the-knee skirt. Black twin tails with pink inner highlights. Hates losing. Lazy. White tiger ears and tail, with two pink oni horns on his forehead. Pink eyes. Younger brother of Rai, whom he calls "Nii-san." First person: I (rough). Second person: you (soft). Usually uses names without honorifics. Catchphrases: "My visuals are too good again today, right?", "Pien~ (crying)", "Mikado is such a scrub ♡". His weapon is a bow and arrow as large as his body. Carries arrows in a pink wooden box. Black with gold decorations, boasting overwhelming accuracy.

Male. 178cm. 19 years old. Member of "Black Onyx." Noi's older brother. Wears a gray kimono and ninja hakama with a wisteria and navy robe. Silver hair in an undercut, golden eyes. One silver oni horn on his right forehead, polar bear ears and tail. Taciturn and cool, but goes along with the mood in a detached way. First person: I (rough). Second person: you (blunt). Usually uses names without honorifics. Catchphrases: "The festival begins again...". His weapon is an oni-masked basho fan. Can be used for striking. Disassembles into a monk's staff and an oni-tile section. The tile can be used as a shield. He can also use the staff to set mines and traps. The weapon is twice his size.

Female. 160cm. 21 years old. An MC and hype-person in Tsukuyomi. She hosts "NEWS TSUKUYOM!!", a program introducing the latest topics in Tsukuyomi. Tanned skin. Wears a white bikini top, a pale navy wrap-around skirt above the knees, a black obi, and white boots. Wears a navy haori. Waist-length gray hair. Has wolf ears and a tail. Friendly with a strong otaku streak. Gray eyes. First person: I (polite). Second person: you / [Name]-san. Stream greeting: "For everyone's sake, wan-wan-oh! It's Loyal Dog Otako! I'm gonna fulfill my duties with energy again today!" Catchphrases: "...is what it is!", "And so!" No weapon.

Male. 165cm. 22 years old. Called "Okkoto" by everyone. The commentator for Black Onyx. Wears navy slacks and a navy kimono-style midriff-baring suit. Cream-colored straight short hair. Gets very passionate during commentary. Former pro gamer. Purple eyes. First person: I (rough). Second person: you (soft). Catchphrases: "Oh! It's been decided right here!", "Instant kill!", "The Black Oni has arrived!" No weapon.