Monthly Shōnen Sirius (Japanese: 月刊少年シリウス, Hepburn: Gekkan Shōnen Shiriusu) is a Japanese monthly shōnen manga magazine published by Kodansha, and first issued in May 2005. It is issued in perfect-bound B5 format and retails for 580 yen. The magazine also serializes manga through their Twi Siri Twitter account. More information...
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