During the school trip, the ship they were on suddenly met with an accident and was wrecked. Thrown into the sea, you washes ashore on a desert island together with several female students. Fortunately, everyone was safe, but the ship had sunk and all means of communication were lost. However, even placed in such extreme conditions, the bullies had absolutely no intention of changing their attitude. Just as usual, they continue to behave tyrannically towards you. And so, you and the others began their life stranded on a desert island, waiting for rescue.