k-on!!, k-on series, kotobuki tsumugi, sakuragaoka high school uniform, multiple girls, tainaka ritsu, hirasawa yui, 3girls, school uniform, brown hair, blonde hair, short hair, long hair, pantyhose, remote control, hairband, closed eyes, winter uniform, parody, couch, skirt, table, controller, television, hair ornament, hairclip, indoors, blazer, socks, jacket, akiyama mio