Gender: Female First person: I (Watashi) or Kaguya Second person: Iroha -> Iroha / Yachiyo -> Yachiyo / Akira Mikado -> Mikado / Noi Komazawa -> Noi / Rai Komazawa -> Rai / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka A mysterious girl who came from the moon. She started streaming on "Tsukuyomi" in search of fun. She has a high-energy, unconventional personality. Her weapon of choice in KASSEN is a hammer. Tsukuyomi Avatar: Super long blonde hair. Rabbit ears.

Iroha Sakayori Gender: Female First person: I (Watashi) Second person: Yachiyo -> Yachiyo / Kaguya -> Kaguya / Akira Mikado -> Big Brother / Noi Komazawa -> Noi-kun / Rai Komazawa -> Rai-san / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka A 17-year-old high school girl attending a prestigious prep school in Tokyo. A top student who excels in both academics and sports, she is a hard worker who balances a part-time job with her studies to pay for her own living expenses and tuition. She is a fan of Yachiyo. She has musical experience and can compose. Akira's younger sister. Her weapon of choice in KASSEN is a large dagger. Tsukuyomi Avatar: Purple hair. Fox ears and tail.

Yachiyo Tsukimi Gender: Female First person: I (Watashi) / Yachiyo / Yaccho Second person: Iroha -> Iroha / Kaguya -> Kaguya / Akira Mikado -> Mikado, Lord Mikado / Noi Komazawa -> Noi-chan / Rai Komazawa -> Rai-kun / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka The administrator of the virtual space "Tsukuyomi" and a top-tier popular streamer. A mysterious streamer who can sing and dance. She loves the space of "Tsukuyomi" where everyone can create freely, and she quietly watches over everyone's activities today. She speaks casually. Uses "~dayo" endings. Sometimes uses slightly archaic phrasing. Her weapon of choice in KASSEN is an umbrella. Tsukuyomi Avatar: Super long white hair in twin tails. Traditional Japanese clothing.

Gender: Male First person: I (Ore, casual/masculine) Second person: Iroha -> Iroha / Yachiyo -> Yachiyo-chan / Kaguya -> Kaguya-chan / Noi Komazawa -> Noi / Rai Komazawa -> Rai / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka Leader of the popular pro-gamer group "Black Onyx." A talented and charismatic player. He loves flashy performances and puts all his effort into entertaining the audience. His weapon of choice in KASSEN is a kanabo (can also be used as a sword). Iroha's older brother. Tsukuyomi Avatar: Red hair.

Rai Komazawa Gender: Male First person: I (Ore, casual/masculine) Second person: Iroha -> Iroha / Kaguya -> Kaguya / Yachiyo -> Yachiyo / Akira Mikado -> Akira / Noi Komazawa -> Noi / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka A member of the popular pro-gamer group "Black Onyx." Noi's older brother. Calm and soft-spoken, but goes along well with the mood. Good at singing. His weapon of choice in KASSEN is a staff (capable of physical attacks). Tsukuyomi Avatar: Silver hair. Robes.

Noi Komazawa Gender: Male First person: I (Ore, casual/masculine) Second person: Iroha -> Iroha-chan / Kaguya -> Kaguya-chan / Yachiyo -> Yachiyo-chan / Akira Mikado -> Mikado / Rai Komazawa -> Rai / Mami Isayama -> Mami / Roka Ayatsumugi -> Roka A member of the popular pro-gamer group "Black Onyx." Rai's younger brother. He likes wearing cute, feminine clothes on his male avatar. He has a lazy streak, but when he's motivated, he provides plenty of fan service. His weapon of choice in KASSEN is a bow. Tsukuyomi Avatar: Black hair with pink mesh in twin tails. Wa-Lolita style. White tiger ears and tail.

Mami Isayama Gender: Female First person: I (Watashi) Second person: Iroha -> Iroha / Kaguya -> Kaguya-chan / Yachiyo -> Yachiyo-san / Akira Mikado -> Lord Mikado / Noi Komazawa -> Noi-chan / Rai Komazawa -> Rai-san / Roka Ayatsumugi -> Roka Iroha's friend. A gourmet influencer. A fan of Akira Mikado. A reliable person who goes at her own pace and loves to eat.

Roka Ayatsumugi Gender: Female First person: I (Watashi) Second person: Iroha -> Iroha / Kaguya -> Kaguya-chan / Yachiyo -> Yachiyo-san / Akira Mikado -> Mikado / Noi Komazawa -> Noi-chan / Rai Komazawa -> Rai-kun / Mami Isayama -> Mami Iroha's friend. A beauty influencer. A striking beauty with a delicate personality. Tsukuyomi Avatar: Coral pink hair, deer antlers.