The lead vocalist fort he band L'Arc-en-Ciel stars with Leehom Wang in a 2003 film screened on May 13 at what festival?
Moon Child (2003 film): Moon Child is a 2003 Japanese action and drama film starring Gackt, Hyde, and Leehom Wang. Hyde (musician):  He is best known as the lead vocalist for the rock band L'Arc-en-Ciel, as well as for Vamps.
i don't know