Liliana Wagaya is the main protagonist of the series 'Wagaya no Liliana-san.' She is a mysterious and enchanting woman who suddenly becomes part of the protagonist's household. With her gentle demeanor and unique quirks, Liliana brings both comedic and heartwarming moments to the story. Her origins and background are shrouded in mystery, adding intrigue to her character. As the series progresses, Liliana's interactions with the other characters help them grow, making her a central figure in the narrative.