is a Japanese manga series written and illustrated by Tōru Fujisawa. It is a sequel to Fujisawa's Great Teacher Onizuka manga series. It was published in Kodansha's Weekly Young Magazine from April 2014 to February 2023, and was later transferred to the Magazine Pocket online platform, where it ran under the title GTO: Paradise Lost Kai from April to October 2024. Its chapters were first collected in 20 volumes, and a republishing, under the GTO: Paradise Lost Kai title, started in July 2025, with 23 volumes released.
Plot A sequel to the events of Great Teacher Onizuka, the story opens with Eikichi Onizuka serving time in prison. From his cell, Onizuka recounts the chain of events that led to his incarceration, centering on his role as assistant homeroom teacher for Class G at Holy Forest Academy, a newly established class composed of high school–aged celebrities and aspiring idols. The narrative unfolds as a framed story, with Onizuka explaining to his fellow inmates how his unorthodox teaching methods and involvement in the personal and professional scandals of his students escalated into a major incident.
As he becomes entangled in the rivalries, media pressures, and hidden agendas surrounding Class G, Onizuka confronts exploitation within the entertainment industry while attempting to guide his students through their crises. The series chronicles these escalating troubles and adventures, gradually revealing how his efforts to protect and reform his students ultimately resulted in the circumstances that landed him behind bars.
Publication Written and illustrated by Tōru Fujisawa, GTO: Paradise Lost is a sequel to his Great Teacher Onizuka manga series. The manga started in Kodansha's manga magazine Weekly Young Magazine on April 14, 2014. The manga went on hiatus several times; the series' first part finished in October 2017, and Fujisawa put the manga on hiatus, attributing it to a staff shortage. In June 2021, Fujisawa stated that GTO: Paradise Lost would be the last manga in the GTO series. The last chapter in Weekly Young Magazine was released on February 14, 2023. The series resumed publication on the Magazine Pocket online platform, under the title , on April 1, 2024, and finished on October 15 of the same year. An additional one-shot chapter, which serves as the finale of the manga's Saejima story arc, was published in Weekly Young Magazine on August 31, 2026.
Kodansha first collected its chapters in 20 volumes, released from August 6, 2014, to November 4, 2022. Kodansha later started republishing the volumes, under the title GTO: Paradise Lost Kai, on July 18, 2025. The 23rd and final volume was released on June 19, 2026.
Crunchyroll published the manga digitally in English. In April 2017, Kodansha USA started publishing the volumes digitally.
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