effects, fabric, hair, k-on!!, k-on series, smears, smoke, taichi ishidate, kotobuki tsumugi, tainaka ritsu, nakano azusa, hirasawa yui, multiple girls, akiyama mio, sakuragaoka high school uniform, school uniform, guitar, instrument, blonde hair, 6+girls, 5girls, black hair, indoors, long hair, twintails, chair, keyboard (instrument), brown hair, drum, chalkboard, electric guitar, short hair, poster (object), wooden floor, skirt, drum set, socks