Rule 34 Dev - 1girl animated animated_gif blush blush_stickers breathing brown_hair brown_vest chair classroom closed_eyes desk dot_nose hair_ornament hairclip hirasawa_yui indoors k-on! leaning_forward open_mouth sakuragaoka_high_school_uniform school_uniform screencap shirt short_hair short_sleeves sleeping sleeveless solo sweater_vest teeth upper_teeth_only vest white_shirt window|12861026451