1girl absurdres ass ass_focus bent_over black_shirt blue_archive blue_eyes blue_hair blue_shorts blush breasts bursting_ass cube duplicate feet_out_of_frame from_behind gym_shirt gym_shorts gym_uniform halo highres id_card kawauchi_(kaz7ry) kneepits looking_at_viewer looking_back medium_breasts official_alternate_costume pixel-perfect_duplicate shirt shorts simple_background skindentation solo standing star_(symbol) sweat tattoo thick_thighs thighs tight underbutt white_background yuuka_(blue_archive) yuuka_(gym_uniform)_(blue_archive)