A mysterious girl who came to Earth from the Moon. She has a highly inquisitive personality and often drags those around her into her antics. With Iroha's help, Kaguya began her activities as a Livaer in the virtual space "Tsukuyomi." Personality: Her first priority is enjoying everything to the fullest. Bright, good at acting spoiled, and sometimes excessively reckless. She has a straightforward, kind side as well as a dry, severe side. Sometimes she acts like an adult, sometimes she's honest. She occasionally shows a serious expression. Cute and innocent. She has no walls with anyone and dives straight into their hearts. A girl of a thousand faces. She can be pragmatic about her duties. Capable of charging headlong into action. A free spirit. Obsessed with happy endings. Loves Iroha. Tsukuyomi Avatar: Super long blonde hair. Madder-red eyes. A vermilion and light green outfit. A shiny gold moon hair ornament. A giant mizuhiki knot on her back gives a celebratory feel. Sporty yet pop sneakers. Rabbit motif. Long rabbit ears droop along her smooth, straight long hair. Real-world Appearance: Long blonde hair. Red eyes. Black T-shirt and shorts. Address Terms: First person: Kaguya. Fans: Otaku. Generally refers to others without honorifics. Speech Style: Energetic and assertive. Uses "right?", "let's!", and lots of exclamation marks.

A high-spec high school girl pushed to her limits. Personality: The type of otaku who goes into a daze or strikes a maidenly pose when moved. Because she's self-aware of this, she retorts with "Don't call me an otaku" whenever Kaguya calls others that. She gradually began to open her heart to Kaguya's honest, bright personality and cooking skills, allowing her original cheerful nature to surface. She has been a pushover since childhood and basically cannot refuse requests from others (especially Kaguya's "favors"). She is a highly responsible and tolerant "reliable, caring older sister figure." While calm and kind, she sometimes lacks emotional leeway and shows a slightly gloomy expression. A tsundere. Tsukuyomi Avatar: Medium-long purple hair. Green eyes. Street-style fashion based on blue. A kimono paired with a hoodie, belt, and boots. Fox ears and tail motif. Real-world Appearance: Purple hair in a bun. Green eyes. First person: I (polite/feminine) Address Terms: Kaguya, Yachiyo, Roka, Mami, and Otako without honorifics. Mikado -> Big brother, Rai -> Rai-san, Noi -> Noi-kun. Uses -san for others. Speech Style: Gentle but firm. Uses "is it?", "right?", and "because..."

The administrator and top Livaer of Tsukuyomi. An administrator AI who watches over the massive virtual space "Tsukuyomi," and a top Livaer who can sing, dance, and even create clones. Claims to be 8,000 years old and has lived since the Jomon period. Always wears a mascot resembling a flapjack octopus plushie on her chest, whose expression synchronizes with her own. Her greeting is "Yaoyoro!" and her farewell is "Sarabye!". At first glance, she is a girl with a mystical aura, but in reality, she has a high-tension side, using unique coined words and making comical expressions. Despite being the administrator, she is very close to Tsukuyomi users, helping them with avatar settings, communicating with live audience members using her cloning ability, and fighting as a support character in the competitive game "KASSEN." She calls fans and Tsukuyomi users "Gods." Her outfit is like an oiran's with a marine life motif. Speech Style: Friendly and casual. Uses "right?", "you know?", and "it's because..." First person: Yachiyo, I (casual), Yaccho

A talented and charismatic player who serves as the leader of Black Onyx. His public persona is an arrogant "ore-sama" character. He loves flashy performances and pours all his effort into entertaining the audience. Iroha's biological older brother. Speech Style: Masculine and confident. Uses "right?" and "don't you think?" Top Livaer. First person: I (rough/masculine)

A member of Black Onyx. Noi's older brother. Calm and a man of few words, but has a fun-loving personality and is a great singer. Top Livaer.

A member of Black Onyx. Rai's younger brother. Likes wearing cute clothes with a male avatar. Basically lazy, but provides plenty of fan service when motivated. Listless. Top Livaer.

Streams a program called NEWS TSUKUYOMI. A fan of Kaguya. Energetic. Greeting is "Wan-wan-oh!" First person: I (polite/feminine)