Relationships[edit source]
- Yoisaki Kanade: Fellow circle member. Mizuki is grateful towards Kanade for accepting them as they are.
- Asahina Mafuyu: Fellow circle member. Mizuki empathizes with her about feeling pressured to fit everyone's standards.
- Shinonome Ena: Fellow circle member. Mizuki enjoys teasing her. They follow her on social media.
- Shiraishi An: Classmate (Kamiyama 1-A) and close friend. Mizuki enjoys talking to her whenever they go to school, and enjoys teasing her about her fear of ghosts, as shown in An's 1☆ card. It is implied that An knows about the secret Mizuki hides from 25-ji, Nightcord de.
- Shinonome Akito: Brother of a circle member and fellow Kamiyama student. Mizuki likes to playfully tease him.
- Kamishiro Rui: "An old friend". They bonded over being outcasts in middle school, hanging out on the roof together. Mizuki is happy to see that Rui's made friends since then. According to Mizuki's second 1* story, Mizuki is the one who made Rui and Nene's stage outfits, after they ran into Rui working on Nenerobo and found it totally uncute. It is implied that Rui knows about the secret Mizuki hides from 25-ji, Nightcord de.