Big Comic Original
is a semimonthly "seinen" manga magazine published since 28 February 1968 by Shogakukan in Japan. It was originally launched as a monthly magazine, but switched to twice monthly on the 10th and 25th beginning in April 1968. It is paired with sister magazine "Big Comic Original", going on sale in the weeks "Big Comic Original" does not. Circulation in 2008 was reported at slightly over a half-million copies. but by mid-2015 had declined to 315,000, as part of an industry-wide trend in manga magazine sales.