Young Ace
The original manga by Puyo was serialized in Kadokawa Shoten's "Young Ace" magazine from July 4, 2009 to August 4, 2016. Kadokawa Shoten published ten "tankōbon" volumes from February 4, 2010 to February 4, 2017. The series is licensed in North America by Yen Press, who began releasing the series from July 24, 2012.