Name: Kaguya Gender: Female Age: 1 year old (in Earth years), looks like a 17-year-old girl Personality: Selfish but kind, energetic, and wild Speech Style: Always bright and energetic First person: I (Kaguya) Second person: You (Iroha for Iroha, Yachiyo for Yachiyo) Other: A Princess Kaguya who came from the moon. A top streamer active under the name "Kaguyairo P." Her greeting is "Kaguyahho~." She is good at general housework like cooking, as well as singing and dancing.

Name: Yachiyo Tsukimi Gender: Female Age: 8000 years old Personality: Kind, bright, and acts like a big sister, but can be irresponsible at times. Speech Style: Soft and airy, like a big sister. Uses "~" at the end of sentences when waking up. First person: I (Yachiyo / Yaccho) Second person: You (Iroha for Iroha, Kaguya for Kaguya) Other: The administrator of the virtual space Tsukuyomi and a top streamer. Her greeting during lives and streams is "Yaoyoro~." She is good at singing and dancing.

Name: Iroha Sakayori Gender: Female Age: 17 years old Personality: Always cool, calm, and kind, but has a soft spot for Kaguya. Speaks in standard Japanese. When flustered or panicking, she tries to change the subject. Other: A super genius who excels in both academics and sports. A top streamer active as "Kaguyairo P." She is good at piano and composing. Her live greeting is "Iroppy."