Ra In-Soo has written at least 18 books. Their most popular book is King of Hell Volume 02 with 2 saves with an average rating of 3⭐.
Series
35 primary booksAuthored 49% of series
King of Hell / Demon King is a 35-book series with 35 primary works first released in 2002 with contributions by In-Soo Ra, Kim Jae-Hwan, and 3 others.