Rule 34 Dev - 2010 2girls adjusting_glasses alternate_hairstyle areolae armpits ass black_eyes black_hair blush breasts brown_eyes clenched_teeth color cover cover_page dark_hair doujinshi eyewear female fingernails glasses hairband half_rim_glasses highres human human_only k-on! long_hair looking_at_viewer looking_back menyoujan mio_akiyama_(k-on!) multiple_girls navel nipples no_visible_genitalia nude open_mouth panties pointy_chin red-framed_glasses rimless_glasses ritsu_tainaka_(k-on!) romaji saliva semi-rimless_glasses short_hair shy striped striped_panties tears tongue under-rim_glasses underwear|16680