Liliruca Arde, often referred to as 'Lili,' is a key character in the series 'Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka' (Is It Wrong to Try to Pick Up Girls in a Dungeon?). She is a member of the Hestia Familia and initially works as a supporter. Her cunning and resourcefulness make her a valuable asset to the group. Liliruca's past involves betrayal and hardship, but she gradually forms a bond with Bell Cranel, the protagonist, and becomes an essential ally. Her character development showcases themes of trust and redemption.