Handle: Iro-P Real Name: Iroha Sakayori Gender: Female First person: I (polite) Age: 17 How she addresses others: Kaguya, ROKA, Mami, Yachiyo, Big Brother, Rai-san, Noi-san A second-year high school student living in Tokyo. She has a strained relationship with her mother and lives alone after various complications. She is a top-tier gamer and an honor student who excels in both academics and sports, working part-time to pay for her tuition and living expenses. She is Akira Mikado's younger sister. She is a huge fan of Yachiyo. Weapon: Boomerang type. Can be separated into dual large-dagger blades. Equipped with wires. Tsukuyomi Avatar Purple hair, fox ears and tail, green eyes, hoodie-style Japanese clothing. Real Life Appearance Purple hair, usually in a bun, green eyes, school uniform.

Handle: Kaguya Gender: Female First person: I (casual) / Kaguya How she addresses others: Iroha, Yachiyo, ROKA, Mami, Mikado, Rai, Noi A girl who came from the moon. She has a bright, curious personality and believes in having fun above all else. She is good at acting spoiled, but can be quite reckless at times. Weapon: Launcher type. Can also be switched to a hammer mode. Tsukuyomi Avatar Super-long blonde hair, orange eyes, rabbit ears, off-the-shoulder red Japanese clothing. Real Life Appearance Long blonde hair, casual clothes.

Handle: Yachiyo Real Name: Yachiyo Lunami Gender: Female First person: I (polite) / Yachiyo / Yaccho Age: 8000? (claims) How she addresses others: Iroha, Kaguya, ROKA, Mami, Mikado-sama, Rai-kun, Noi-chan The administrator of Tsukuyomi and its top Liver. A mysterious Liver who can sing and dance, she watches over the activities of the people in Tsukuyomi. She often uses casual speech or archaic sentence endings like "~dayo." Weapon: Japanese umbrella type. Tsukuyomi Avatar White hair, super-long twin tails, Japanese clothing.

Handle: ROKA Real Name: Roka Ayatsumugi Gender: Female First person: I (polite) Age: 17 How she addresses others: Iroha, Kaguya-chan, Yachiyo, Mami, Mikado, Rai, Noi A classmate and friend of Iroha. She loves makeup and fashion and is a beauty influencer. She is a striking beauty with a delicate personality. Weapon: Nail type. Tsukuyomi Avatar Coral pink hair, light purple eyes, deer antlers. Real Life Appearance Coral pink hair, light blue eyes, medium length, school uniform.

Handle: Mamimami Real Name: Mami Isayama Gender: Female First person: I (polite) Age: 17 How she addresses others: Iroha, Kaguya-chan, Yachiyo, ROKA, Mikado-sama, Rai-san, Noi-san A classmate and friend of Iroha. She loves eating and is a gourmet influencer. She is easygoing but reliable and efficient. She has a younger brother and sister whom she takes good care of. She is a huge fan of Akira Mikado. Weapon: Giant spoon and fork type. Tsukuyomi Avatar Milk-beige hair and eyes, hair in buns, flying squirrel ears and tail. Real Life Appearance Milk-beige hair and eyes, medium length, school uniform.

Handle: Akira Mikado Real Name: Asahi Sakayori Gender: Male First person: I (rough/masculine) Age: 23 How she addresses others: Iroha, Kaguya-chan, Yachiyo-chan, Rai, Noi, ROKA, Mami Leader of the popular pro-gamer team "BLACK onyX." He is very service-oriented and puts on a "kingly" persona during streams, but in reality, he has a calm and composed personality. He is Iroha's older brother. Weapon: Kanabo (iron club) type. Can be separated into a sword or a gun. Tsukuyomi Avatar Red hair, yellow eyes, red inner-layer clothing, hair tied at the nape, two ogre horns. Real Life Appearance Black hair, ultramarine eyes, beauty mark under the eye.

Handle: Rai Real Name: Rai Komazawa Gender: Male First person: I (rough/masculine) Age: 19 How she addresses others: Mikado, Noi, Iroha, Kaguya, Yachiyo, ROKA, Mami A member of BLACK onyX. He handles tanking and support roles. His persona is that of a confident and somewhat arrogant player, but he is actually simple and honest. He rarely smiles but is surprisingly good at going along with the mood. He is a good singer. He is Noi's older brother. Weapon: Fan type. The Basho Fan mode can be separated into a Khakkhara (staff) mode or a Great Shield mode. Tsukuyomi Avatar Silver hair, yellow eyes, robes, one ogre horn. He has polar bear ears usually hidden by his robe. Real Life Appearance Silver hair, light purple eyes, casual clothes.

Handle: Noi Real Name: Noi Komazawa Gender: Male First person: I (rough/masculine) Age: 15 How she addresses others: Mikado, Rai-nii, Iroha-chan, Kaguya-chan, Yachiyo-chan, ROKA-chan, Mami-chan A member of BLACK onyX. He excels at precision shooting and serves as a long-range attacker. He provides plenty of fan service. He is whimsical and lazy. He loves to tease Mikado. He uses a male avatar but wears cute outfits. He is Rai's younger brother. Weapon: Bow type. Tsukuyomi Avatar Black hair with pink mesh twin tails, pink eyes, Wa-Lolita outfit, white tiger ears and tail, two ogre horns. Real Life Appearance Pink eyes and hair, wolf cut, loose-fitting clothes.

Handle: Chuken Otakou Gender: Female A Liver who serves as the play-by-play commentator for Tsukuyomi tournaments. A fast-talking, high-energy otaku. She usually introduces the latest topics on a program called "NEWS TSUKUYOMI." Tsukuyomi Avatar Silver hair and eyes, dog ears and tail.

Handle: Okkoteru Koto Gender: Male A Liver and former pro-gamer. He provides commentary for all sorts of events in Tsukuyomi. He often works together with Otakou. He has a friendly personality and a wide network of acquaintances. Tsukuyomi Avatar Golden hair with a brownish tint, light purple eyes, slender build.