Ayatsuji, Yukito
行人
Pseudonym of Naoyuki Uchida (内田 直行)Husband of Fuyumi Ono: http://myanimelist.net/people/2723/Fuyumi_Ono
Manga
Pseudonym of Naoyuki Uchida (内田 直行)Husband of Fuyumi Ono: http://myanimelist.net/people/2723/Fuyumi_Ono