A perverted old man with twisted desires targets cute girl Mirio one day and kidnaps her. From there, her humiliating time begins... She's forced into rough anal intercourse that makes her face dirty like she's masturbating, then gets treated like a plaything by the old man's friends. Her sensitive body unintentionally receives multiple orgasms due to their selfish pleasure, awakening her M nature! She becomes part of a group gangbang covered in cum, experiencing four-person double penetration! As she falls deeper into depravity, becoming a cock-hungry slut, her insatiable lust drives her to beg for more hardcore fucking until she can't take anymore...