1girl, animal_collar, arms_behind_back, bandana, bdsm, blonde_hair, bondage, bound, bound_arms, chain, cloth_gag, collar, concrete, gag, gagged, hair_flaps, hair_ornament, hair_ribbon, improvised_gag, long_hair, looking_at_viewer, red_eyes, remodel_(kantai_collection), ribbon, scarf, solo, sweat