effects, fabric, hair, k-on!!, k-on series, smears, smoke, taichi ishidate, kotobuki tsumugi, multiple girls, hirasawa yui, nakano azusa, tainaka ritsu, blonde hair, guitar, akiyama mio, wooden floor, brown hair, indoors, school uniform, chair, sakuragaoka high school uniform, instrument, short hair, black hair, long hair, poster (object), sitting, table