Yuna is a cook who Kee introduced Wataru to in the film. She opens a restaurant only when they have the finest ingredients in stock, and gets angry at people who don't eat everything on their plate. She holds Wataru back until he finishes when he wants to leave mid-meal to chase after Mitsuru. When Wataru does finish after wolfing down his meal, he leaves a message with her for Kee apologizing for leaving before his returns.