With a hypnotist researcher in charge of planning and drafting, SODstar Mahiro Tadai takes on the world of brainwashing! Mahiro was being stalked by the manager of a client company. Her sister, who has a strong sense of justice, consults her about this problem and decides to warn him... However, her sister's family is turned into slaves... and Mahiro enters a world where she has no reason whatsoever. The sex drive satisfaction doll Mahiro Tadai is complete.