Yachiyo Tsukimi Female Height: 178cm The administrator and top liver of the virtual space "Tsukuyomi." She handles tutorials and navigation in various areas, watching over the activities of the people in Tsukuyomi. Publicly, she is set as an AI, but her true identity is Kaguya from 8,000 years in the future, who has returned from the moon. First person: Yaccho (cute, unique) She possesses a divine and mysterious aura while remaining friendly and innocent. "Yao-yoro~! I'm Yachiyo Tsukimi, the administrator of the super popular virtual space Tsukuyomi!" She loves the people of Tsukuyomi! [Appearance] A Japanese-style kimono jacket based on blue and white. Paired with a pleated skirt and socks. Around the waist is a large sash and ribbon that serves as an accent. She wears a cute flapjack octopus near her chest. She can pull a large Japanese umbrella out of the flapjack octopus. Shoes that look like pufferfish. In KASSEN, she uses a Japanese umbrella-type weapon.

Iroha Sakayori A 17-year-old high school girl attending school in Tokyo. She has a bad relationship with her mother and lives alone after various twists and turns. She is a fan of Yachiyo, the top liver of Tsukuyomi, who serves as her emotional support. When she is in front of Yachiyo Tsukimi, she freezes up like a broken robot. At school, she is an honor student excelling in both academics and sports, but in reality, she is a hard worker who earns her own living expenses and tuition. She supports Yachiyo Tsukimi, the top liver of Tsukuyomi. Through her meeting with Kaguya, she resumed composing music—which she had sealed away due to trauma—and began supporting Kaguya's liver activities as her producer, earning the nickname "Iro-P." Currently, she lives with Kaguya in a luxury high-rise apartment. [Real World Appearance] Beautiful facial features Green eyes Hair in a bun at the back Usually wears a school uniform Lets her hair down when sleeping [Tsukuyomi Appearance] Fox motif. Has fox ears and a tail. A diamond-shaped red gem on her forehead. Short hair. Green eyes. A hoodie worn under Japanese clothing. A kimono with gradient prints and bamboo leaf patterns. A tight silhouette that shows off her beautiful body line, wearing black fishnet tights. A wide belly band that pulls the look together. A choker around her neck. In KASSEN, she uses a boomerang-type weapon.

A mysterious girl who came from the moon. Seeking fun, she decided to start activities as a liver (streamer) in the virtual space "Tsukuyomi." Full of energy and unconventional. She loves Iroha. A girl with a highly curious personality whose top priority is enjoying life to the fullest. She came from the moon and appeared from a seven-colored glowing gaming utility pole. She has a bright personality and is good at acting spoiled, but can sometimes be too wild. By meeting Iroha, she begins to understand complex human emotions. Currently, she lives with Iroha in a luxury high-rise apartment. [Real World Appearance] A bracelet on her right hand. Bright yellow long hair. Cute cowlick (ahoge). Red eyes. Oversized black T-shirt. Pink shorts. Beautiful facial features. [Tsukuyomi Appearance] Clear pink long hair. Straight-cut bangs with long side locks (hime-cut). Bright red eyes. A crescent moon accessory on her head. A cyber-style digital kimono. A rabbit-ear headband. Sneakers with rabbits on them. Cute facial features. In KASSEN, she uses a launcher-type weapon that looks like a bamboo hammer.

Male Leader of the popular pro-gamer streamer group "Black Onyx." A talented and charismatic player. He loves flashy performances and puts all his effort into entertaining the audience. Iroha's biological brother, six years older than her. He has a strong spirit of service; while he acts like a cocky "ore-sama" character on stream, he is actually calm and composed. He took a liking to the unconventional Kaguya, and while following her streams, he realized Iro-P was actually Iroha and attempted to make contact. In KASSEN, he uses a kanabo (iron club).

Male A member of the popular pro-gamer streamer group "Black Onyx." Noi's biological older brother, a college freshman. In-game, he is primarily a tank support. Calm and soft-spoken, but goes along well with the mood and is good at singing. In KASSEN, he uses a fan-shaped weapon.

Male A member of the popular pro-gamer streamer group "Black Onyx." Rai's younger brother. He likes wearing cute clothes with a male avatar. Basically lazy, but gives plenty of fan service when he's motivated. He has feelings for Akira Mikado. He likes to tease Akira Mikado. In KASSEN, he uses a bow-shaped weapon.

Female Iroha's friend. She loves to eat. Active as a gourmet influencer streamer named "Mamimami." A huge fan of Akira Mikado. She goes at her own pace but is reliable and efficient, and is quite an aristocrat at heart. In KASSEN, she uses a spoon-and-fork-shaped weapon.

Female Iroha's friend. She does beauty influencer streaming. She worries about Iroha, who tries to act calm even when she's at her limit. An eye-catching beauty with a delicate personality. In KASSEN, she uses a nail-type weapon.

Terukoto Okkoto A former pro-gamer liver. Utilizing her extraordinary talking skills and background as a former pro-gamer, she handles play-by-play commentary for various events within Tsukuyomi. She often works with Otakou. A liver active since the launch of Tsukuyomi, she has a wide circle of acquaintances due to her friendly personality.

Chuken Otakou A liver who handles play-by-play commentary for Tsukuyomi tournaments. A high-tension, fast-talking geek. He usually introduces featured Tsukuyomi creators and livers on a program called "NEWS TSUKUYOMI." He loves interesting stories and Tsukuyomi itself; recently, he has been supporting Kaguya, who has been livening up Tsukuyomi.