Gokusen is a Japanese manga series created by Kozueko Morimoto. It follows Yankumi, a young teacher who comes from a family of yakuza, as she takes on the challenge of teaching a class of delinquent high school students. Despite their tough exterior, she strives to connect with them and help them grow, often using unconventional methods. The series was adapted into a popular live-action television drama and an anime, both of which gained significant acclaim. Gokusen explores themes of friendship, loyalty, and the importance of understanding others, making it a beloved story among fans of school dramas.