Manga Action (漫画アクション) is a Japanese seinen manga magazine published by Futabasha. It is currently published twice a month, on the first and third Thursday[2] The magazine was originally formed as Weekly Manga Action (WEEKLY漫画アクション) and began publishing weekly from July 7, 1967. It is considered the first true seinen magazine.[3] In 2003 it changed to its current publishing format and dropped the Weekly part of its name to reflect its new schedule.