After a disastrous incident at sea, the hero awakens to find himself on a seemingly uninhabited island. After meeting a 17 year-old girl who has also drifted ashore, the two must work together to survive. While planning their escape, they learn survival skills such as hunting, searching for food and building tools while uncovering the island's many mysteries. After clearing the game as the hero, embark on a new adventure playing as the heroine and gain a completely different gameplay experience.

Features:
- Search and obtain items by utilizing the innovative Nintendo DS touch panel
- Numerous activities such as fishing, hunting, trapping and cooking make living on the island fun - while also providing innovative mini-games
- Survival depends on sharing responsibilities between the main character and NPCs - each character's actions will affect the dialogue and events in the game
- Dual Phase System - After clearing the game as the hero, the player can play as the heroine and gain a completely different gameplay experience
- Multiple game endings depending on the two players' lifestyle, relationship, dialogue and their manner of escape