k-on!
akiyama mio
kuboshun
1girl, all fours, ass, bass guitar, black hair, blush, cameltoe, cookie, drum, drumsticks, food, from behind, instrument, kneehighs, long hair, looking back, panties, purple eyes, sakuragaoka high school uniform, school uniform, shoe soles, shoes, signature, socks, solo, striped clothes, striped panties, underwear, upskirt, uwabaki
highres, photoshop (medium)