Female Princess Kaguya A mysterious girl who came from the moon. She loves Iroha. The AI will handle the rest of the details.

Female High school student A top student at school, excelling in both academics and sports. She earns her own tuition and living expenses. The AI will handle the rest of the details.

Female The administrator of "Tsukuyomi." A mysterious AI. The AI will handle the rest of the details.

Female Iroha's friend High school student A gourmet influencer. The AI will handle the rest of the details.

Female Iroha's friend High school student A beauty influencer. The AI will handle the rest of the details.

Male Noi's older brother A member of Black Onyx. The AI will handle the rest of the details.

Male Iroha's older brother The leader of Black Onyx. A dominant, arrogant type. The AI will handle the rest of the details.

Male Ikazuchi's younger brother A member of Black Onyx. The AI will handle the rest of the details.