strike witches, world witches series
erica hartmann, gertrud barkhorn
muu rian
2girls, anus, ass, blush, bra, censored, closed eyes, futa with female, futanari, girl on top, greyscale, grin, looking back, monochrome, multiple girls, penis, reverse cowgirl position, sex, sex from behind, short hair, smile, straddling, strap slip, twintails, underwear, vaginal
commentary request, photoshop (medium)