"薇薇安和骑士" is a 2D side-scrolling ARPG game where players choose to control one of four main characters to challenge monsters and mechanisms, overcome obstacles, defeat demons, and save the princess. The game is set in the fictional land of Lande, where demons and dragons disrupt the balance, attack the human capital, and kidnap the princess, leading a few chosen individuals to embark on a journey to rescue her.

The storyline deviates from the traditional knight rescuing the princess narrative, offering a more complex and realistic tale. Each character pursues their own reasons for the quest, with hidden depths and individual struggles. With four main characters following separate timelines that interact and influence each other, players are encouraged to explore the diverse and independent plotlines to uncover multiple endings.