(depicting a single moment from a manga for adults), (hand-drawn

(depicting a single moment from a manga for adults), (hand-drawn), ((simple line art)), ((manga-style line art background)), (only 5 colors used), ((a naked woman, only bra wearing, round face, eyes with realistic sizing, drooping eyes, blush, sweat, shame smile, thin lips, spread her legs)), (((straddling to hit her crotch on the pipe for masturbation, orgasm))), open mouth, in the narrow factory, machines, (angle from below, close up her crotch),

EasyNegativeV2, genitals, nipples, school uniform, bad anatomy, male body,