Monthly Shōnen Magazine

Monthly Shōnen Magazine (月刊少年マガジン Gekkan Shōnen Magajin) is a monthly manga publication produced by Kodansha which started in 1964. Notable titles of the publication include Pumpkin Scissors and Violence Jack.

After the closure of Magazine Z in April of 2009, Kamen Rider Spirits went on hiatus for 8 months, then was re-launched in Monthly Shonen as Shin Kamen Rider Spirits in November of that same year. The publication has kept the manga going and is still one of its quarterly features, releasing 2 tankobons a year, one during the spring/summer season and one around fall.