1girl absurdres adoart ass back black_horns black_nails broken broken_chain chain chained_wrists clip_studio_paint_(medium) collar cuffs from_behind g-string grey_background heterochromia highres horns kishirika_kishirisu long_hair looking_at_viewer looking_back metal_collar mushoku_tensei purple_hair sharp_teeth shorts signature strapless teeth thighhighs thong tube_top two-tone_background white_background