Ludwig KakumeiLudwig Kakumei.

Ludwig Kakumei (ルードヴィッヒ革命, Rūdovihhi Kakumei; "Ludwig Revolution") is a Japanese manga series by Kaori Yuki. It debuted in the January 1999 issue of the shōjo (targeted towards girls) manga magazine Melody, before being transferred to Hana to Yume Step, Hana to Yume, and finally Bessatsu Hana to Yume, where it concluded in the September 2007 issue. The sixteen chapters were compiled into four tankōbon by Hakusensha, and were published from June 2004 to December 2007.