Castle

"Castle", South Korea's omnipotent crime syndicate. One man returns to Korea in order to topple the absolute stronghold that is "Castle". Kim Shin, the Korean-born Russian killer named "Amur Tigro".
He comes back to the crime-ridden city of Hoe-Am in accordance with the last will of his mentor, Kang Min Sung. Kim Shin and his comrades put their lives on the line as they head for the final showdown…

Original Webtoon: Naver

Official Translations: Chinese (Traditional Characters) / 漢語, Indonesian / Bahasa, Japanese / 日本語