Chongseong And Diamond (Korea) - PSP - Puzzle

Juusei to Diamond is a psychological thriller of an adventure novel. Kidnapping and hostage taking crimes are sky rocketing. To solve the problem, the police force have set up a new office, the Zero Department, consisting of negotiators. You are the star of the office, Onizuka, and your task is to resolve crimes through real time conversations. Be effective so that everything will end without spilling a drop of blood, including the criminal''s.