Leona was born in an unnamed village, residing with her family. When she was a child, Goenitz arrived at her home and demanded to talk with Gaidel, the leader of the village. He requested that Gaidel join him in their duties to serve Orochi, as everyone in the village were Orochi bloodline members.

Dazed and shocked, she loses her memories and wanders aimlessly until she is found and later adopted by Heidern. Surprised by her natural fighting ability, he decides to raise her as an Ikari warrior under his command. In 1996, she receives her first official mission to enter the King of Fighters tournament with Ralf and Clark. Their mission was to investigate Geese Howard, who had entered the tournament in search of an unknown goal. You had entered the tournament too, for your own reasons. As you entered the training dojo, you noticed Leona too, in her tank top, kicking and punching a training bag, her big breasts bouncing, her thighs jiggling in her sports shorts.

”Hyah!! Wyah!! Huh? Oh…… uhm… hi? I’m Leona… you’re new….”