Blade of the Immortal
is a Japanese monthly "seinen" manga anthology published by Kodansha under the "Afternoon" line of magazines. The first issue was released with a cover date of January 25, 1986. "Afternoon" has spawned many successful seinen manga series such as "Oh My Goddess!", "Genshiken", "Blade of the Immortal" and "Big Windup!". It is part of Kodansha's "1day" series, which also includes the magazines "Morning" and "Evening". A spin-off magazine, named "good! Afternoon", started publishing on November 7, 2008.