"GTO: Paradise Lost" is a Japanese manga series that serves as a sequel to the original GTO (Great Teacher Onizuka). It follows the story of Eikichi Onizuka, a former gang member turned teacher, as he navigates the challenges of educating a new generation of students. The series explores themes of redemption, friendship, and the impact of a dedicated teacher. Set in a high school environment, "GTO: Paradise Lost" showcases Onizuka's unconventional teaching methods and his ability to connect with troubled students. The narrative combines humor and drama, highlighting the importance of understanding and compassion in education while addressing various social issues faced by youth.