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