k-on!
nakano azusa
thek
!, 1girl, assisted exposure, bare shoulders, blush, clothes pull, crushing, cup, drinking straw, embarrassed, flat chest, greyscale, loli, long hair, midriff, monochrome, nipples, panties, shirt pull, solo, striped clothes, striped panties, surprised, twintails, underwear
bad id, bad pixiv id, highres