- Was assistant of TAKEMURA Yuuji

- From Gofuku nursery school, he went to Ikeda Shibuya Middle school, Kitano High School and then Kyoto university

- Loves sweets. His parents forbid him from confectionery when he was a child turn him into confectionery maniac when he becomes adult

- Fan of Takahashi Rumiko, loves Maison Ikkoku so much that he loved Otonashi Kyouko more than his girlfriend in high school that time

- Joined Kyoto Micro Computer Club in college, for a simple reason, the girl who sat next to him in freshman tea party also joined the club

- In the past, known as a charisma in ero game world when he managed an adult ero game review site "Eroge Countdown" as PERO (the site has closed for more than 10 years now)

- Loves David Bowie, all Oshii Mamoru's movies, England team (soccer), First Gundam, Nagai Ken, Mister Itou's Langley (langue de chat biscuit)

- Hates tile joint, humid place, freeze-dried toufu, German team (soccee), Gundam other than First Gundam, Egawa Tatsuya

- In his first serialization, he put a lot of plot device from the start of the manga, and when the manga got cancelled, it left a lot of unexplained things, so he put the explanations in his blog. From that, in his second serialization he didn't immediately put any obvious plot line and only a vague foreshadowing if any, also if the manga cancelled, he can finish it without left anything behind unexplained

- His twitter account "angelfrench" name is from a Mister Donuts menu