Kenshi Yonezu. Don't forget his name, because you'll be hearing a lot more about him in the coming months. Composer and performer of the theme song for "The Boy and the Heron", Studio Ghibli's new animated film directed by Hayao Miyazaki, the Japanese singer is already a star in his native country, but remains unknown in France. So, who is he? We tell you more about this talent, who has already scored several hits in Japan.