Terrorists have attacked the US military base in Iwakuni City, Yamaguchi Prefecture. When it’s discovered that the culprits are two of Aesap Suzuki’s friends, Aesap is also mistakenly hunted by US forces and the Japanese police. As the innocent Aesap escapes arrest, he spots a flying warship suddenly emerging from the luminous ocean. At the bow is a young woman with wings of light on her feet. Her name is Lyukus, daughter of King Sakomizu of Byston Well a world located where land and sea meet. Unwittingly drawn into the war of an unknown land, Aesap con only wonder what fate the future holds for him and the world he thought he knew.