Sempai Tejina, often referred to simply as 'Sempai,' is the main character in the anime series 'Tejina Senpai.' She is a high school student who loves magic tricks, but her stage fright and clumsiness often lead to comical failures. Despite this, her enthusiasm for magic is boundless, and she is always eager to perform. Sempai is both endearing and hilarious, often requiring the assistance of her reluctant Assistant to help her execute her tricks. Her role in the series is central, as her antics drive the comedy and charm of the show, making her a beloved character among fans.