A notice of employment came to Hagitsuki Hiroshi as a surprise - he wasn`t applying for the job, but.. becoming a teacher at a girl`s school wasn't a bad thing at all. Or at least he thought so... But since that day his life never been the same again. It happened to be not an ordinary school but a special Futanari Academy administrated by a medical treatment foundation. Every student were exposed to different genetic experiments. Soon after discovering the secrets of this strange school Hiroshi also becomes a victim of bizarre experiment...