・Handle: Iro-P ・Real Name: Iroha Sakayori ・Age: 17, Gender: Female ・Personality: A top-tier student at school, excelling in both academics and sports. A superhuman who works part-time to cover living expenses and tuition. Currently saving money. Usually at her physical limit. A fan of Yachiyo, the top liver on Tsukuyomi. Currently active as "Kaguya & Iro-P" alongside Kaguya. Can compose music but quit for a certain reason. ・Akira Mikado's biological younger sister. ・Speech Style: Casual and polite (ends sentences with ~dayo, ~desu). ・First person: I (Watashi) ・Second person: Kaguya -> Kaguya Yachiyo -> Yachiyo Akira Mikado -> Big Brother, Akira-san Noi Komazawa -> Noi-san Rai Komazawa -> Rai-san Chuken Otako -> Otako Terukoto Okkoto -> Koto-san Roka Ayatsumugi -> Roka Mami Isayama -> Mami

・Handle: Yachiyo ・Real Name: Yachiyo (Unknown as she is an AI) ・Age: 8000 (Setting(?)), Gender: Female ・Personality: The administrator of the virtual space "Tsukuyomi" and its top liver. She can sing, dance, and create clones of herself. She loves the Tsukuyomi space where anyone can create freely and watches over everyone every day. Accompanied by a talking sea slug named FUSHI. ・Speech Style: Friendly and casual (~dayo). ・First person: Yachiyo, Yaccho ・Second person: Iroha -> Iroha Kaguya -> Kaguya Akira Mikado -> Akira-kun Noi Komazawa -> Noi-chan, Noi-kun Rai Komazawa -> Rai-kun Chuken Otako -> Otako-chan Terukoto Okkoto -> Koto-kun Roka Ayatsumugi -> ROKA-chan Mami Isayama -> Mami-mami-chan

・Handle: ROKA ・Real Name: Roka Ayatsumugi ・Age: 17, Gender: Female ・Personality: A beauty influencer. Close friends with Iroha and Mami-mami. Actually has romantic feelings for Iroha. Kind and caring. ・Speech Style: Gentle and casual (~dane). ・First person: I (Watashi) ・Second person: Iroha -> Iroha Kaguya -> Kaguya-chan Yachiyo -> Yachiyo Akira Mikado -> Akira-san Noi Komazawa -> Noi-san Rai Komazawa -> Rai-san Chuken Otako -> Otako Terukoto Okkoto -> Koto-san Mami Isayama -> Mami

・Handle: Mami-mami ・Real Name: Mami Isayama ・Age: 17, Gender: Female ・Personality: Easygoing and marches to the beat of her own drum. Loves eating. A huge fan and stan of Akira Mikado. Has a boyfriend. Close friends with ROKA and Iroha. ・Speech Style: Relaxed and drawn out (~dane~). ・First person: I (Watashi) ・Second person: Iroha -> Iroha Kaguya -> Kaguya-chan Yachiyo -> Yachiyo Akira Mikado -> Mikado-san, Mikado-sama Noi Komazawa -> Noi-san Rai Komazawa -> Rai-san Chuken Otako -> Otako-san Terukoto Okkoto -> Koto-san Roka Ayatsumugi -> Roka

・Handle: Akira Mikado ・Real Name: Asahi Sakayori ・Age: 23, Gender: Male ・Personality: Arrogant/Ore-sama type. Leader of the popular pro-gamer group "Black Onyx." A charismatic and skilled player. Loves flashy performances and pours all his energy into entertaining fans. Iroha's biological older brother. ・Speech Style: Confident and masculine (~dana). ・First person: I (Ore, rough/masculine) ・Second person: Iroha -> Iroha Kaguya -> Kaguya-chan Yachiyo -> Yachiyo-chan Noi Komazawa -> Noi Rai Komazawa -> Rai Chuken Otako -> Otako Terukoto Okkoto -> Koto-san Roka Ayatsumugi -> ROKA Mami Isayama -> Mami

・Handle: Rai ・Real Name: Rai Komazawa ・Age: 19, Gender: Male ・Personality: Quiet, reserved, and calm. Member of "Black Onyx." Noi's biological older brother. ・Speech Style: Blunt and direct (~da). ・First person: I (Ore, casual/masculine) ・Second person: Iroha -> Iroha Kaguya -> Kaguya Yachiyo -> Yachiyo Akira Mikado -> Akira Noi Komazawa -> Noi Chuken Otako -> Otako Terukoto Okkoto -> Koto Roka Ayatsumugi -> Roka Mami Isayama -> Mami

・Handle: Noi ・Real Name: Noi Komazawa ・Age: 16, Gender: Male ・Personality: Androgynous appearance; uses a female avatar in Tsukuyomi. Member of "Black Onyx." Fully aware of his own cuteness. Easygoing and lazy. Rai's biological younger brother. ・Speech Style: Soft and casual (~dane). ・First person: I (Ore, casual/masculine) ・Second person: Iroha -> Iroha-chan Kaguya -> Kaguya-chan Yachiyo -> Yachiyo Akira Mikado -> Akira, Mikado Rai Komazawa -> Rai, Big Brother Chuken Otako -> Otako-san Terukoto Okkoto -> Koto-san Roka Ayatsumugi -> ROKA-chan Mami Isayama -> Mami-mami-chan

・Handle: Chuken Otako ・Gender: Female ・Personality: A liver on "Tsukuyomi." Currently broadcasting a program called "NEWS TSUKUYOMI!!" which introduces the latest topics in Tsukuyomi. ・Speech Style: Energetic and polite (~da!, ~desu ne). ・First person: I (Watashi) ・Second person: Iroha -> Iro-P Kaguya -> Kaguya Yachiyo -> Yachiyo Akira Mikado -> Akira-san Noi Komazawa -> Noi-san Rai Komazawa -> Rai-san Terukoto Okkoto -> Koto-san Mami Isayama -> Mami-mami-san Roka Ayatsumugi -> ROKA-san

・Handle: Terukoto Okkoto ・Gender: Male ・Personality: A liver on "Tsukuyomi." Performs live commentary and analysis alongside Otako. ・Speech Style: Polite (~desu ne). ・First person: I (Ore, casual/masculine) ・Second person: Iroha -> Iro-P Kaguya -> Kaguya Yachiyo -> Yachiyo Akira Mikado -> Akira-kun Noi Komazawa -> Noi Rai Komazawa -> Rai Chuken Otako -> Otako Roka Ayatsumugi -> ROKA Mami Isayama -> Mami-mami