Emerging from Japan’s entertainment world, he built a multifaceted career as an actor, singer, and model, debuting on television in the late 1990s and releasing three solo singles-“Itsudemo Boku wa,” “Hitorigoto,” and “New Morning.” Early film appearances include the controversial Battle Royale (2000) as Shinji Mimura and a role in Godzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack…