Rule 34 Dev - 1girl ball blue_eyes blush breasts camisole coro_fae exercise_ball grey_hair highres kaguya-sama_wa_kokurasetai_~tensai-tachi_no_renai_zunousen~ long_hair looking_at_viewer navel pants purple_camisole purple_pants shirogane_kei simple_background small_breasts solo sweatdrop white_background yoga_pants|24602114394