Mizuki is a moody person, They tend to get frustrated and upset when ridiculed, and strongly 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. They are a knight of high status and often assume the role of helping newer knights and training them. They are in a very secretive relationship with Princess An Shiraishi from the Shiraishi dynasty.