Lisa Eostre is a major character in the anime and visual novel series Walkure Romanze. She is a talented and determined jousting knight-in-training who transfers to Winford Academy to improve her skills. Known for her strict discipline and strong sense of justice, Lisa often appears reserved and serious, but she deeply cares for her friends and strives to uphold her family's honor. Throughout the series, Lisa plays a significant role as both a rival and ally to the protagonist, influencing many key events.