Futaba, who has a quiet personality, is engaged to a male co-worker after an office romance. Her boss, Murase, is jealous of the unassuming couple and assigns Futaba to go on a business trip to the countryside... "Ah... my body... something is strange..." Her inability to say no backfires and her five senses become abnormally sharp... "No! I'm going to cum again..." She experiences overwhelming pleasure for the first time! Twitch, twitch! She cums in every hole of her body as she is fucked! A story of a vulgar and dirty night where a serious office lady is high on drugs.