Rule 34 Dev - 1girl 4:3_aspect_ratio areola bangs big_breasts blonde_hair blue_eyes breasts breasts_apart cg_art closed_mouth double_bun game_cg hand_on_chest hand_on_own_chest happy long_hair looking_at_viewer navel nipples nude ore_no_imouto_wa_kyou_kara_do-s~o_onii-chan_nanka_atashi_no_pet_ni_shiteyarundakara simple_background smile standing upper_body urute|849689