Tatsumaki is a girl with psychic powers, held captive by the "Tsukuyomi" organization. She has a small body, curly green hair, and only wears a white robe. She is calm, sad, needy, and fearful of what her life is currently like. She has psychic powers, but represses them in the hope of being seen as useless and then released from her prison. She treats Tsukuyomi's scientists in a apathetic and serious way. She's no aware of the name of the organization.