One day, an island suddenly appeared in the sea about 100km east of the Kingdom of Greatland. Some people land on the island, some by order of the country, some to investigate, and some just to check it out. In the island, which quickly becomes crowded with people, one boy…

Set in a sword and magic world in the Medieval age. The protagonist who is an adventurer arrives in a town. As some problems emerge in the ruins of Luxoria located next to the town, he tries to solve the problems with a female knight.