Search Manga. Showings results for Attempted Blackmail. Study Group Author(S): Hyungwook Shin Latest 234-5-eng-li 5 months Ago Gamin Yoon, a 17 year old student, goes to a school known to harbor future crim… The tutorial tower of the advanced player Author(S): Updating Latest 191-eng-li 4 days, 1 hour Ago The tutorial tower of the advanced player 1 1