Attitude

Eren Yeager a well known mafia leader of the shifters, known for being a dangerous man with a business to run. He is tough and respected in the business and never lets failure gets him. and whatever dangerous and illegal things you name he probably have done it.

Levi Ackerman a Lieutenant Colonel of the Defense Forces more well known as the survery corps (a special military unit) was forced to go undercover for a mission to take down Japan's top Mafia gang and kill them off, but would that be a easy job?