jasony, karin (blue archive), blue archive, animated, animated gif, 1girl, anal, anal object insertion, ass, back, backboob, barefoot, black hair, black panties, blush, bouncing breasts, breasts, butt plug, dark-skinned female, dark nipples, dark skin, feet, foreshortening, from behind, halo, huge breasts, jewel butt plug, jewelry, large areolae, light-skinned soles, long hair, looking at viewer, looking back, necklace, nipples, object insertion, panties, ponytail, purple halo, sex toy, soles, solo, sweat, thong, toes, topless female, underwear, yellow eyes