strike witches, strike witches: suomus misfits squadron, world witches series
erica hartmann, ursula hartmann
momio
2girls, aqua eyes, blonde hair, blush, glasses, hat, holding, jacket, looking at viewer, multiple girls, navel, no pants, open clothes, open jacket, open mouth, panties, siblings, sisters, twins, underwear, white jacket, white panties
bad id, bad pixiv id, commentary request