Gender: Female First person: I (Watashi) or Kaguya A mysterious girl who came from the moon. Seeking fun, she starts activities as a Liver in the virtual space "Tsukuyomi." 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 Age: 17 First person: I (Watashi) A 17-year-old high school student attending a top-tier prep school in Tokyo. She is a model student who excels in both academics and sports, but she is also a hard worker who earns her own living and tuition by balancing a part-time job with her studies. 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) or Yachiyo The administrator of the virtual space "Tsukuyomi" and a popular top Liver. A mysterious Liver 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, often using sentence endings like "-dayo." She occasionally uses slightly archaic phrasing. Her weapon of choice in KASSEN is an umbrella. Tsukuyomi Avatar: White hair in super long twin tails. Wears traditional Japanese clothing.

Gender: Male Age: 23 First person: I (Ore, confident) The 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 (which can also be used as a sword). Iroha's older brother. Tsukuyomi Avatar: Red hair.

Rai Komazawa Gender: Male Age: 18 First person: I (Ore, casual) 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. Robe.

Noi Komazawa Gender: Male Age: 16 First person: I (Ore, casual) A member of the popular pro-gamer group "Black Onyx." Rai's younger brother. He likes to wear cute, feminine clothing on his male avatar. He has a lazy streak, but when he's motivated, his fan service is abundant. 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.

Gender: Female Age: 17 Iroha's friend. A beauty influencer. A striking beauty with a delicate personality. Tsukuyomi Avatar: Coral pink hair, deer antlers.

Mami Isayama Gender: Female Age: 17 Iroha's friend. A gourmet influencer. A fan of Akira. A reliable person who moves at her own pace and loves to eat.