Description: To switch the language to English, open Settings in the main menu and select the Language tab! Summer vacation was supposed to give Hayato Takeda a chance to make up for his poor attendance. Instead of ordinary academic work, however, he finds himself taking part in a rather unusual experiment conducted by a psychology professor! Hayato is a strong, confident young man and the captain of the judo club at Kitayama University. To make up the missing attendance days required for graduation credits, he agrees to participate in the professor’s experimental study over the summer break. But it soon becomes clear that there’s much more to this experiment than meets the eye. Get ready for a steamy adult game packed with explicit scenes! Discover what really lies behind this strange research and find out where Hayato’s involvement will lead.