KT
Kōshun Takami
Kōshun Takami is a Japanese author and journalist. He is best known for his 1999 novel Battle Royale, which was later adapted into two live-action films, directed by Kinji Fukasaku, and four manga series.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Battle royale. 6-7-8-9-10
2006
ISBN 9782845658523
Battle royale. 13
2006
ISBN 9782849463673