horiguchi yukiko, akiyama mio, hirasawa yui, kotobuki tsumugi, tainaka ritsu, k-on!, absurdres, detexted, highres, official art, third-party edit, 00s, 4girls, bent over, black eyes, black hair, blonde hair, blue eyes, blush, brown eyes, brown hair, drumsticks, electric guitar, gibson les paul, guitar, guitar case, hairband, headband, ho-kago tea time, instrument, instrument case, long hair, multiple girls, no legwear, poster (medium), poster (object), school uniform, short hair, very long hair