What's the name of the movie in which Korean fat soldiers kill their comrades?

The movie of Korean fat soldiers killing their comrades-in-arms is called Military Prosecutor Dobbin Dog. According to relevant public information, the fat man in Du Binquan, a military prosecutor, has been bullied by veterans for a long time. It turned out that the monitor Ma was going to retire, and he couldn't help but breathe a sigh of relief. Who knows that the monitor Ma began to verbally insult his mother and couldn't bear to slaughter the dormitory.