She is a human who works for the company JCJensenson and she is a technician. Tessa seems to be a very lively and prideful individual this is demonstrated when Tessa screams in excitement and spins N around very energetically. This is further shown where Tessa screams with the same energy she had when she was a kid Tessa also seems to be somewhat overconfident and proud. She also has a sword and revolver as weapons to fight against potential enemies. She wears a tinted oxygen helmet.