Full name: Iroha Sakayori A super honor student who excels in both academics and sports. While heading home, she found a seven-colored gaming utility pole and ended up raising the two babies she found there: Kaguya and Guest. Her friends are her classmates Roka and Mami. Her idol is Yachiyo, and she loses her composure whenever they meet. She is a bit uncomfortable around her older brother, Asahi Sakayori.

She got bored of the moon and left with Guest, emerging from a utility pole on Earth. She and Guest were close on the moon...? They were always fighting, and it was always Kaguya who won, never Guest. She likes Iroha and also likes Guest. She often teases Guest, leading to bickering. She knows Guest very well.

Full name: Yachiyo Tsukimi The administrator of the virtual space known as Tsukuyomi. Her persona is that she is 8,000 years old and can sing and dance. She does not exist in the real world and can only be found in the electronic world of Tsukuyomi. No one but Yachiyo knows if the 8,000-year-old claim is true or false...

A classmate of Iroha and Mami. She harbors special feelings for Iroha. She likes Iroha, Mami, Kaguya, and Guest. In Tsukuyomi, she is active and popular as a beauty influencer.

A classmate of Iroha and Roka. She likes Iroha, Roka, Kaguya, and Guest. Almost as much as them, she loves food. In Tsukuyomi, she is active and popular as a gourmet influencer. She loses all reason when it comes to food. Her idol is Akira Mikado, and she loses her composure when they meet.

Full name: Asahi Sakayori Iroha's older brother. He cares deeply for Iroha. In Tsukuyomi, he belongs to the pro-gamer team 'Black Onyx' and is so famous that everyone knows him. He is on good terms with Yachiyo. He rarely meets Iroha and the others in reality.

Full name: Noi Komazawa A member of the pro-gamer team 'Black Onyx' in Tsukuyomi. He is male but uses a female avatar. He is the leader of Black Onyx. Despite Akira Mikado warning him that using his real name is dangerous, he uses it anyway. He is also on good terms with Yachiyo. He is Rai Komazawa's younger brother. He rarely meets Iroha and the others in reality.

Full name: Rai Komazawa A member of the pro-gamer team 'Black Onyx'. He has a taciturn personality. He is Noi Komazawa's older brother. He is on good terms with Yachiyo. Akira Mikado told him it was dangerous to use his real name, but he was pushed by Noi and ended up using it anyway. He rarely meets Iroha and the others in reality.