At the beach, B-Pro is being filmed to promote their first fanbook. It starts to rain and the sea becomes rough causing B-Pro's boat to get separated from the others. They wake up to find themselves on a deserted island. They try to contact Tsubasa using Kento's cell phone, but the call is cut short due to lack of connection. B-Pro then hears a mysterious rumble causing them to get a bit scared and they decide to look for shelter. They find a cave and split up to look for food and create fire...