Monthly Comic Zero Sum (月刊コミックZERO-SUM, Gekkan Komikku Zero Samu) is a josei manga magazine[1] published by Ichijinsha and launched since March 28, 2002 (the May 2002 issue).

[2] Its volumes usually contain over 600 pages and tackles a variety of genres, with well-known manga like Saiyuki Reload, Amatsuki, 07-Ghost and Loveless often making appearances in its pages.

A special shōjo manga edition called Comic Zero Sum Ward (コミックZERO-SUM 増刊WARD, Komikku Zero Samu Zōkan Wādo) was published starting in August 2003.

[3] It ceased publication in May 2015.

[4]