Escape From Uninhabited Island Survival

One day, Claris receives a mail from her aunt Charlotte, evoking nostalgic feelings in her mind. She soon set her mind to visit Charlotte with her maid Mary. These two girls are looking for a short but joyful trip... - The airplane they got on however, suddenly malfunctions and it causes them to be thrown out and fall into the ocean... - Later on they get drifted onto an uninhabited island without any severe injury... somewhat fortunately. An isolated island floats alone in the aquatic desert with no people nor civilization... But they have to eat and drink to survive... - The great nature subjects them to an ordeal of endurance. Throughout the life on the island, their hidden wildness is to be awakened...