Shinsou no Reijoutachi

Using a game by Ail-Soft

People who find themselves on top of a zaibatsu, a large Japanese business conglomerate, generally eccentric tastes. For just one particular executive, his hobby of is spending his fortune on women, buying sex slaves naturally. At his luxurious mansion within the most remote of locations, he spends his time training his pets faraway from prying eyes. An acquaintance of his shares precisely the same pastime, and also the two eventually opt to compete to find out who are able to train the top sexual servants. Simultaneously, an amnesiac lady turns up with the doorstep, not realizing what awaits since the game begins.