Nagasarete Airantou revolves around Ikuto Tohoin, the main protagonist, who ran away from home because of a fight with his father. Due to a life-long dream of wanting to board a ship, Ikuto decides to take a vacation until the ship is suddenly hit by a huge storm throwing Ikuto overboard. He wakes up the next day to discover he is on an uncharted island populated by girls. Ikuto finds himself to be extremely popular on the island due to the fact that no other men are currently on the island.
