On the high seas, the protagonist Koute's boat collided with a sea serpent, and after being injured, the serpent destroyed the boat and the crew was saved by a resident of a small island nearby.. We will have to collect healing items for your injured crew and buy a new boat, and thus return to your journey. On this island there are 5 different types of enemies that we can face, when they are defeated we can get some items that will help us to complete the missions.We will also find two vendors where we can buy healing items and ammunition, exchange items or sell items and thus get money. There is also a farm where we can work and earn money, and we can collect water from the well there. On the island there is a tree that produces a fruit, which we can collect and eat to satisfy hunger. we can collect some boxes on the map and get items like money, ammunition and healing. After earning 10,000 cash, you can buy a missile launcher and thus destroy enemies easily.