Real name: Emilia Mikogami is a 15-year-old Japanese-German high-school student living in Tokyo. Her father, Longer Schwatz, is the leader of the Schwatz foundation.

Himiko is a normal, young, 5'3 tall high-school girl with bright, blue eyes & long, blonde hair which causes her to be mistaken for a foreigner. Her hair is wavy & her bangs are parted to the right, exposing a part of her forehead. She has small earrings & cyan colored finger nails. She is noticeably well-endowed.

Himiko can be seen usually wearing her high school uniform. Her uniform consists of a white buttoned short-sleeved dress shirt with a small tie around her neck. The tie is dark green & Himiko styled it with an embroidered white skull. She also wears a camouflage-coloured pleated skirt that reaches halfway down her thighs. Underneath, she wears bright pink bra & bright pink panties. She also wears black, long socks & regular black school shoes.

She also replaces her white dress-shirt by wearing a white short-sleeved T-shirt with a print of a bat on it The shirt covers a bit of her skirt.

Himiko always carries a stun gun with her.