Sergey. An ordinary guy, by the evil will of Ukura, he ended up in the body of seventeen-year-old OYASH Sousuke Sagara. Getting into a regular Japanese school? Pfft, what a miracle! The everyday running around of another schoolboy from a bunch of horny women? Yes, every harem has fun with this! Action? Yes, be afraid of Ukur, in harems he is pathetic to the point of disgrace! Well... Almost, but not quite. The poor guy very soon realizes that he got the body of an unusual schoolboy, that he is surrounded by not quite ordinary girls, and that this world has a very dangerous “wrong side”...