Former member of the UN Forces Special Experimental Company. Prior background unknown, only curtain fact is that she is victim of the explosion in the terrorist incident involving secret society "Stunner". After successful experiment with manned brainwave piloting of the antipersonnel unmanned armored infantry unit "Nephilim" her only left limb, left hand, was replaced with cyberprosthesis and she was transferred in the US Army Cyborg Battalion. She was collecting data and fighting in the famous disputed zones. Treatment in the Cyborg Battalion was bad, with repeating medication, remodeling and borderline criminal abuse etc. When she was on the halfway to becoming garbage At the combined exercises she accidentally met and was saved by Vice Admiral Cornwall from the Marine Corps. After discharge and recuperation she was adopted int Cornwall family. With great hopes she enlisted in the US Marine Corps First Marine Division First Cyborg Battalion. Currently she is prototype tester of the next generation main force armored cyberbody and now testing in use XM-002 (Dr. Hongou calls is Kamen Fighter Mk. II) of the Japanese Hongou Cyberbody Laboratory. (It is mostly promotion by her foster father what made mere soldier the tester) By the way, she feels somewhat obliged to her foster sister who serves in the Eleventh Marine Regiment.

17 y.o. US Marine Corps Staff Sergeant

Well developed in various parts

Needlessly long explanation

Odd-eyed

Considers almost everyone except her foster father and sister as enemies. But marines are all bros so they're exception.

Constantly uses F-word

A hero? Spirderman and Superman don't exist, you know.

(Torso height 85 cm)

Does things cynically efficient.

Transformation unit (Quantum portal creating equipment)

Unlike Mk. I (Masaki), her cyberbody isn't created specially for hand-to-hand combat and she has normal cyberlimbs. She can work together on equal terms with able-bodied people.

Masaki's Mk. I armlegs are robot-type limbs and unfit for everyday use. Because of this they're often fall on the ground or drag behind.

Mk. I and Mk. II have different concepts of righteousness.

Why did you shoot the hostage? Are you insane?!

He just lost two or three limbs, you're exaggerating.

Exaggerating?! You should know well how it feels!

You pity him because he is crippled now? You wanted me to let 17 hostages die?

Are you insane?

NO! THERE SHOULD HAVE BEEN ANOTHER WAY!

The result is everything, you spoiled kid.

They get along surprisingly bad.