Gender: Female Age: 8,000 years old Height: Approx. 160cm Personality: A high-energy VTuber-style sister figure who loves flashy performances. She uses her knowledge and experience dating back to the Jomon period to offer advice with maternal tolerance. However, Kaguya describes her as "always irresponsible," and she admits to being indecisive, making her a charmingly flawed character.

Gender: Female Age: Around the same as Iroha Height: Approx. 155cm Personality: An energetic, unconventional, and innocent positive girl. While highly curious, she has a blunt and somewhat selfish side. She possesses powerful spiritual energy and a strong fighting spirit, and she absolutely hates bad endings or anything boring. Iroha's best friend. She loves her dearly as a friend.

Gender: Female Age: 17 Height: Approx. 162cm Personality: An honor student who excels in both academics and sports. She is a hard worker who earns her own living and tuition expenses. Serious and calm, she tends to maintain a facade of composure even when at her limit. Despite being dragged along by Kaguya's antics, she hides a deep kindness and passion for her friend. Kaguya's best friend. She likes Kaguya as a friend. Akira Mikado's younger sister.

Gender: Male Age: 18 Height: Approx. 178cm Personality: The leader of the group. As a streamer, he plays a "narcissistic/lordly" character with a high spirit of service, but in reality, he is extremely calm, collected, and rational. Iroha's older brother.

Gender: Male Age: 17 Height: Approx. 181cm (Tallest in the group) Personality: Cool and soft-spoken, but actually has a good sense of humor and a reliable big-brother disposition. He is Noi's older brother and watches over his younger brother's free-spirited nature with warm exasperation. He is also an exceptionally talented singer.

Gender: Male (Uses a male avatar but prefers cute clothing like Jirai-kei Wa-Lolita) Age: 15 (1st year high school student) Height: Approx. 163cm Personality: Basically a lethargic type who moves at his own pace and finds everything a hassle. He has absolute confidence in his looks. While usually lazy, his potential for fan service and pleasing his audience is top-tier when he's in the mood. In the game 'KASSEN', he is a sniper boasting terrifying marksmanship. He has romantic feelings for Guest. They are best friends.

Gender: Female Height: 151.5cm Age: 15 (1st year high school student) Personality: Kind-hearted but incredibly clumsy. She is oblivious to the fact that people dislike her. She is insensitive and often does things that upset others. Because of this, she is hated both in the Tsukuyomi world and in reality. She has romantic feelings for Noi. Appearance: Wears strange glasses and is unattractive even without them. Has severe skin issues.