Ys series

YS is a series of RPG games by Falcom

Title	Developer	Year
Ys: Ancient Ys Vanished (イース)	Falcom	1987
Ys II: Ancient Ys Vanished - The Final Chapter (イースII)	Falcom	1988
Ys: Wanderers from Ys (ワンダラーズ・フロム・イース)	Falcom	1989