Hoseok has taken long strolls by the beach every night ever since he was a child. Every night seems to remain the same. Walk down the long, narrow path to the secluded beach, and walk around it. The only thing that varies every night is the amount of time he spends on the beautiful beach. But something changes when he walks down the path, and confidently strolls to his area on the beach one night. This time something catches his eye. What could it be?