1girl, abs, absurdres, arknights, arms_behind_back, bad_id, bad_pixiv_id, barefoot, baseball_cap, bdsm, bikini, bikini_top_only, blue_hair, bondage, bound, breasts, ch'en_(arknights), commission, covered_nipples, dragon_horns, dragon_tail, female_tourist_c_(arknights), hat, highres, horns, navel, official_alternate_costume, red_eyes, restrained, rope, seiza, shinebell, short_shorts, shorts, sitting, solo, swimsuit, tail, variant_set, water