Frisk from undertale, ((Frisk's face stoic expression)), (Friks's eyes), ((Frisk closed eyes)), (Frisk's sweater), ((Frisk's long-sleeve light blue sweater with two magenta stripes)), beatiful body, 20 years old, nude from the bottom, (vagina), (shaved pussy), (Frisk's bare feet), In a subway, (very detailed subway interior), Male anon, male anon is wearing white shirt, male anon is wearing black trousers, male anon is wearing office shoes, male anon pants are pulled down, big penis, (Shaved penis), big balls, male anon is sitting, Frisk is kneeling down, Frisk is sucking male anon penis, (blowjob), back view so that her ass and vagina are visible, (back view), masterpiece, very detailed image, 4k image