Red(2006)

Red

Set in the political unrest of 1960s Japan, a group of young revolutionaries seek to overthrow the world order by any means necessary. But the path they walk is not of glory, but infamy; the events that unfold will shock the nation of Japan to its very core! Weaving together both detailed research and dramatic elements, Yamamoto Naoki delivers a powerful new take on the most troubling and infamous episode of the history of Japan's radical left-wing student movement.

(Source: Manga-Updates)