steins;gate
urushibara ruka
4shi
4boys, anal, black hair, blush, censored, completely nude, cum, cum in ass, ejaculating while penetrated, ejaculation, fellatio, gangbang, group sex, hair ornament, hairclip, kneehighs, male focus, male penetrated, multiple boys, multiple penises, navel, nipple stimulation, nipple tweak, nipples, nude, open mouth, oral, otoko no ko, peeking, penis, saliva, sex, socks, spread legs, sweat, testicles, yaoi
absurdres, highres