GKIDS has unveiled theatrical trailer for Lu Over the Wall (2018). A family-friendly take on the classic fairy tale about a little mermaid who comes ashore to join a middle-school rock band and propel them to fame. Kai is talented but adrift, spending his days sulking in a small fishing village after his family moves from Tokyo. His only joy is uploading songs he writes to the internet. When his classmates invite him to play keyboard in their band, their practice sessions bring an unexpected guest: Lu, a young mermaid whose fins turn to feet when she hears th... ( more ). Watch theatrical trailer now!