There is a room that beast girl is inside it she will catch you if you are not virigin , so you have to stay virgin until you arrive there and before that, you have to open both secret switches and when you arrive at beast girl room, you can pass through her. after you open that door there is a Iron bar that blocks you from passing through ((( the Ironbar will disappear if you open both Secret switches ))) after there ironbars there is a secret room that is waiting for you.