Despite their energetic, carefree, and sometimes childish demeanor, Mizuki is often shown to be the most mature member of their circle, as Ena admits. They often assume the role of mediator in arguments, breaking things up between Mafuyu and Ena. Mizuki has a strong desire to express themselves freely, without holding back or being made fun of. They have an obsession with cute things, expressing it through their hand-altered fashion. Mizuki is great at understanding the emotions.