Yukihiko Nakao (中尾 幸彦, Nakao Yukihiko) is Genko's chief animation producer and director. He is also known as Yuki Nanoka (菜香 ゆき, Nanoka Yuki). He is from Kyoto prefecture. After working on production at Pierrot, he worked as a director at Toei Animation. He is currently a producer at Genko.