15
Images returned by

Gas Mask, Short Hair, Wallpaper
Gas Mask, Hoodie, Technology
Gas Mask, Heterochromia, Knife, Blood
Gas Mask, Pink Hair, Pink Eyes
Gas Mask, Sword, White hair
Gas Mask, Wink, Flower Crown, Long Hair
Wallpaper, Blue Eyes, Short Hair, Gas Mask, Hair Ribbon
Gas Mask, Mask, Girl, Gun, Dog, Military
Gas Mask, Mask, Girl, Air Gear, Twins
Gas Mask, Mask, Girl, Handcuffs, Red Eyes
Gas Mask, Mask, Girl, Green Hair, GUMI, Vocaloid, Hoodie
Gas Mask, Mask, Girl, Green Eyes, Touhou, Mizuhashi Parsee
Gas Mask, Mask, Girl, Chain, Uniform, Sailor
Gas Mask, Birds
DRAMAtical Murder, Clear, Gas Mask