Shinya Umemura has written at least 38 books. Their most popular book is Record of Ragnarok, Vol. 1 with 6 saves with an average rating of 3.5⭐.
Adventurous and dark are their most common moods.
Series
1 primary bookAuthored 100% of series
Shuumatsu no Valkyrie: Record of Ragnarok Gaiden: Ryofu Housen is a 1-book series first released in 2018 with contributions by Takeo Ono, オノタケオ, and Shinya Umemura.
Series
13 primary booksAuthored 87% of series
終末のワルキューレ Record of Ragnarök is a 13-book series with 13 primary works first released in 2018 with contributions by Shinya Umemura, Azychika, and Takumi Fukui.