The only female member of Dynaman. 18 years old and from Tokyo. An expert in communication research, she can also sign. She has been researching ways to communicate with animals, and has made achievements such as developing a speech translation device that can decipher the languages ​​of mice, bears, and dogs. However, cats are the only animal she is not good with, and she is also allergic to them.

She is good at fencing, and her skills are at world champion level. She was also seen to be able to swim in the introduction and rescue scene of the story.

She is a bit of a tomboy, fearless and active character, but she is also sensitive and kind, and will shed tears when protecting the weak.

In episode 13, Yumeno proposed to her, but she turned him down, saying "pass."

A warrior that Tachibana Rei transforms into. She is good at fencing and shows delicate movements in her fights that are not inferior to the men's.