Daichouhen Beelzebub

Two long-form manga in the series are titled *BeelBeel☆Saiyuuki: The Demon Lord Becomes the Monkey King*, released on May 2, 2011, and *BeelBeel☆Time Travel: Baby Beel Takes Time*, released on December 2, 2011. The first follows a demon lord who transforms into a monkey king, while the second involves time travel. Both are part of the *Daichouhen Beelzebub* series.