1girl aimo_(aimo1214) ass ass_grab black_hair black_legwear blush grabbing_own_ass hair_ornament hair_ribbon highres hips huge_ass looking_at_viewer looking_back open_mouth pantyhose pantyhose_under_swimsuit red_eyes ribbon senki_zesshou_symphogear shiny simple_background solo swimsuit swimwear tsukuyomi_shirabe twintails white_background wide_hips