When Hibio’s adventurous mother sets off to research a mysterious tribe, she runs into obstacles. Fortunately, the beautiful young Nima spots a family portrait and decides she wants Hibio as her husband, giving her a way to advance her research. She agrees to the arrangement, even though she never discusses it with Hibio. When Nima arrives in Tokyo to live with her new husband, hilarity and chaos ensue as Hibio’s modern Tokyo life collides with Nima’s magical heritage.