Mitsuki was a member of Mugai's former group, the Mushikari, who tries to seduce Jinbei in order to learn the secrets of the Magistrate.
Mitsuki wear a her black bra and red skirt with a chain around her waist. Mitsuki has blonde fuzzy hair and a chain on her neck.
Mitsuki is shown to be a seductive person who will seduce people to learn secrets from them and act childish.
Not much is known about her past but she was a member of Mugai's former group, the Mushikari.
Mitsuki has the ability to summon any bugs with her flute from miles away.
In episode 8, she tries seducing Jinbei in order to learn about the resting place of the magistrate. The attempt ultimately fails, and because of that, she states that she doesn't understand Jinbei, hinting that she may have begun developing feelings for the young samurai.