Chuuya Koyama's Uchuu Kyoudai (Space Brothers) manga will end with the 46th volume, according to the wraparound band on the 45th volume on Wednesday. Koyama began drawing the sci-fi space manga in Morning magazine in December 2007. Kodansha USA licensed the manga for digital release in English in October 2015 and published the 44th volume in December 2024. Uchuu Kyoudai has over 31 million copies of its volumes in circulation. A-1 Pictures adapted the manga into a television anime that aire...