During the English-version screening of 'Lu Over the Wall' at the Sundance Film Festival, writer-director Masaaki Yuasa walked us through his animated musical mermaid movie. I was bored throughout the 112 minutes I spent watching Lu Over the Wall. Lu Over the Wall Writer-Director Masaaki Yuasa on the. Masaaki Yuasa’s ‘Lu Over the Wall’ Review - vulture. Masaaki Yuasa’s “Lu Over the Wall” blends elements of Hans Christian Andersen’s “The Little Mermaid,” Hayao Miyazaki’s “Ponyo” and alienated teen stories into a quirky, highly personal film unlike conventional Japanese or American animated features. Lu Han - Wikipedia..