Nina, Herrscher of Metal (Honkai Gakuen)

"nina_herrscher_of_metal_(benghuai_xueyuan), 1girl, solo, mature, purple eyes, blonde hair, long hair, black hairband, metallic lace dress armor, metal lace dress, grey metal dress, armored metal lace boots, metallic armored boots, metal armored dress, metal armored gloves, metal armored legwear, full body suit armor, metal skin, exoskeleton mechanical big spears"