Yukito Ayatsuji

Naoyuki Uchida , known by his pen name Yukito Ayatsuji , is a Japanese writer of mystery and horror. He is one of the founders of Honkaku Mystery Writers Club of Japan and one of the representative writers of the new traditionalist movement in Japanese mystery writing. His wife is Fuyumi Ono, a Japanese fantasy and horror writer who is known for her fantasy series The Twelve Kingdoms.