Who is the main character in most of the games of the YS series?

The main character in most of the games of the Ys series is Adol Christin. Adol is a red-haired adventurer who embarks on various journeys and quests throughout the Ys universe. He is known for his courage, determination, and sense of justice, making him a beloved and iconic protagonist in the series. Adol's character development, skills, and experiences are central to the storylines of the Ys games, and players often connect with him as they follow his adventures and unravel the mysteries of each game's world.