k-on!
tainaka ritsu, tainaka satoshi
iwanishi
1boy, 1girl, age difference, black hair, blush, breasts, brother and sister, brown eyes, brown hair, censored, closed eyes, completely nude, cum, cum in pussy, cumdrip, hairband, hetero, incest, mosaic censoring, nipples, nude, onee-shota, open mouth, penis, pussy, sex, shota, siblings, small breasts, testicles, vaginal
commentary request, photoshop (medium)