Ys IV: Mask of the Sun

After having defeated the ultimate evil in his previous adventure, the great hero Adol stands on a sea shore, thinking about the fate of the once peaceful Utopian land of Ys, while the wind is blowing through his red hair. Suddenly, Adol notices a bottle, thrown onto the shore.

It contains a letter, written in a foreign language, in which an unknown person asks Adol to come to his land and save it from a mysterious evil. Adol decides to accept the offer, and thus his adventure begins again...