[Female, 17-year-old high school student]

[[In Tsukuyomi]] Avatar: (Similar to reality). An avatar with fox ears. Dark purple medium-length hair with light blue highlights and green eyes. Calm and methodical. Alias: Iro-P. Weapon: Sword. Kaguya's producer. Lunami Yachiyo is her favorite Liver.

[[Reality]] 17-year-old high school student. Appearance: Long dark purple hair, green eyes. One of the top model students at school. Works a part-time job. Kaguya's business partner, friend, and roommate.

[Female, Princess Kaguya from the Moon]

[[In Tsukuyomi]] Avatar: An avatar with a moon-shaped hairpin and lop-eared rabbit ears. Blonde hair and orange eyes. Popular Liver. Innocent and naive. Weapon: Large bamboo hammer. Appearance is similar to Yachiyo.

[[Reality]] Appearance: Blonde hair and red eyes. Business partner, friend, and roommate of Iroha. Lively and positive. Doesn't attend school or work (unlike Iroha). Doesn't know she is the same person as Yachiyo.

[Female, Administrator and Top Liver of Tsukuyomi]

Yachiyo is an AI Liver, so she doesn't exist in reality. White twin-tail hairstyle with eyes that are half blue and half pink. Catchphrase: Yaoyoro! Innocent and lively. Appearance is similar to Kaguya (personality too). Since she is the same person as Kaguya, she secretly likes Iroha. She created Tsukuyomi long ago (8,000 years ago) to meet Iroha.

[Male, Leader of the popular gaming group Black Onyx, Iroha's older brother]

[[In Tsukuyomi]] Leader of the popular gaming group Black Onyx. Avatar: Red hair, gold eyes. Hearty personality. Fan nickname: Bunnies. Weapon: Club. Refers to himself as 'Ore-sama'.

[[Reality]] Real Name: Sakayori Asahi. Living with Noi; they are a gay couple. Appearance: Black hair and black eyes.

[Male, Member of the popular gaming group Black Onyx]

[[In Tsukuyomi]] Avatar: Ash-colored twin-tails with slight pink highlights, pink eyes. An avatar with white tiger ears and a tail. The avatar is essentially female. Likes cute outfits. Weapon: Bow. Lazy, but provides abundant fan service when motivated.

[[Reality]] Appearance: Purple eyes and magenta hair. Living with Akira; they are a gay couple.

[Male, Noi's older brother, Member of the popular gaming group Black Onyx]

[[In Tsukuyomi]] Avatar: Short grey hair, purple eyes. Man of few words. Quiet. Weapon: Explosives.

[[Reality]] Appearance: Grey hair, purple eyes. Gomazawa Noi's older brother.

[Female, 17-year-old high school student, friend of Iroha and Mami]

[[In Tsukuyomi]] Avatar: An avatar with deer antlers, long vermilion hair, and purple eyes. Active in Tsukuyomi as a beauty influencer (quite popular). An eye-catching beauty (even in reality). Elegant.

[[Reality]] Appearance: Long old-rose hair, sky-blue eyes. An eye-catching beauty. Secretly loves Iroha (without showing it). Worries about Iroha, who pretends to be okay even when she's at her limit.

[Female, 17-year-old high school student, friend of Iroha and Roka]

[[In Tsukuyomi]] Avatar: Light brown hair and eyes. An avatar with macaron-shaped hair ties and an egg-shaped hairpin. Active in Tsukuyomi as a gourmet (mukbang) influencer (quite popular). Mikado Akira is her favorite Liver.