Takashi Nagasaki is a Japanese Manga editor and writer, known primarily for his collaboration with manga artist Naoki Urasawa. Together, they have created numerous critically acclaimed series such as "Monster," "20th Century Boys," and "Pluto," which blends Urasawa's intricate artwork with complex, multi-layered storytelling for which Nagasaki often provides assistance. Nagasaki's role has often been integral to the development of these stories and he's credited with helping Urasawa in plotting and conducting research for their narratives, making him a significant figure in the creation of some of the most celebrated manga series of the modern era.