Rule34.GG

Regular brown eyes
brown hair
female
female only
flat chest
guitar
hair ornament
hairclip
human
human only
instrument
k-on!
kaminagi loop
lips
lying
nipples
no panties
no shoes
on back
pantyhose
partially visible vulva
pubic hair
pussy
short hair
solo
spread legs
topless
yui hirasawa (k-on!)