ビッグコミックオリジナル
On April 9, 2017, Urasawa began co-hosting a radio program with actor and comedian Junji Takada. airs Sundays at 5pm on Nippon Cultural Broadcasting and features both men talking about their lives, professions, and favorite hobbies. That year Urasawa also began the limited series "" in a collaboration with France's Louvre Museum. It began in "Big Comic Original" in October 2017 and ended on February 20, 2018.