Luise is the daughter of Professor Detlev Meyrink, a well-known and respected authority on rocket science. Detlev was getting captured by the syndicate, Addes, Luise is looking for her father as she approved to enter KOF tournament. She wants to be a naturally talented fighter, and ambiguously warns challengers about Jivatma's plans. Luise also knows information regarding Alba's and Soiree's past and the being "Judeim", but chooses to not divulge this to them in detail.
During her storyline, it is revealed that she is one of the last members of the ageless alien race known as the Zoan. Jivatma refers to her various times in the game as "Lakia", most likely her original name. Her real motive for the tournament is to pursue and destroy beings such as Jivatma, an entity who has caused mischief and murdered several Zoan in an undisclosed past incident. At the time, Luise is essentially assisted Alba and Soiree to defeated Jivatma then restore true freedom. Due to the average rationality, they appointed the elimination of the evil powers of Jivatma in order to distinguish a better honor.
He tempts her to join him in exchange for a spaceship trip back to her home, but she refuses and prefers to wait until human kind can travel to space naturally. During the game's credits, she and Alba are seen starting a travel together, most likely searching for Soiree and Jivatma.
With an extreme love for her people, Luise is very proud of her Zoan identity. She wishes to destroy Jivatma, not for revenge, but for knowing that if he is kept alive, he will kill even more. She starts to relate with the Meira brothers and becomes a mediator between them.