Lisbeth Lustburg hails from the outskirts of Lustburg, where her family runs a humble bar. Growing up in this environment fostered her lack of gender distinction regarding the men of her homeland. She attended the School of Magic, though her academic performance showed little promise. Despite this, her straightforward and kind nature allowed her to forge meaningful friendships.

She stands as one of seven heroes summoned from different nations to combat the resurgence of forbidden alchemy, representing Lustburg alongside figures like Logi and Dias Crowley from Envylia and Edgar Leonhart from Slothstein. Her journey deeply intertwines with Kasumi Nagasaka, a character transported from another world. During a critical event involving a cyclical ritual and sacrifice, Lisbeth witnesses Kasumi's sacrificial resolve to save their world. She urgently shouts warnings and attempts to intervene, expressing profound concern for Kasumi's safety. Following Kasumi's disappearance, Lisbeth vows to protect the world Kasumi saved, declaring her intent to prevent sorrow and dry "all the teary eyes in this world."

Later, Lisbeth experiences a sudden distraction, described as hearing Kasumi's voice, strengthening her belief in their eventual reunion. Her final words in the recorded narrative emphasize resilience and forward-looking determination, refusing to succumb to tears and anticipating a future meeting marked by smiles rather than grief.