Identity V: Manor Carnival

It is adapted and created based on the plot of the game "Identity V". In Europe in the 20th century, a game was mysteriously held in the notorious Oletis Manor. The owner of the manor was the organizer and invited many people from the manor to participate in the game. The purpose of those who participated in the game and the purpose of the manor's owner's organization are difficult to guess. In any case, seeing it with your own eyes is not true!