suppy, black rock shooter (character), yumizuka satsuki, black rock shooter, tsukihime, type-moon, bad id, bad pixiv id, 1futa, 4boys, bar censor, belt, black hair, black rock shooter (cosplay), blush, brown eyes, brown hair, camera, cellphone, censored, choker, cosplay, embarrassed, erection, exhibitionism, futanari, huge penis, multiple boys, open mouth, panties, penis, phone, photographic proof, poster (object), precum, public indecency, short shorts, shorts, standing, striped clothes, striped panties, sweat, taking picture, twintails, uncensored, underwear