Dengeki Novel Prize
In 1998, his light novel "Boogiepop and Others" won the Fourth Dengeki Novel Prize and was later adapted into a manga that was illustrated by Kouji Ogata. An anime spin-off of the Boogiepop series, "Boogiepop Phantom", aired in 2000 animated by Madhouse and an anime adaptation of the series was released in 2019 by the same studio.