k-on!!, k-on series, kotobuki tsumugi, multiple girls, sakuragaoka high school uniform, tainaka ritsu, hirasawa yui, school uniform, brown hair, 3girls, blonde hair, short hair, long hair, parody, hairband, pantyhose, skirt, closed eyes, akiyama mio, couch, hair ornament, >_<, winter uniform, hairclip, socks, skirt lift, jacket, thighhighs