The Devil King whom I defeated in my past life is now my boss in the office?!Baek Young-woong (meaning hero in korean), an ordinary office worker reborn with the memories of his past life as a warrior who defeated the devil king! The memories were only useful when he used to write webnovels as a child.Young-woong regrets having useless memories of his past life and gets a job in the executive secretarial office of Daeryong ENT, a big company.However, after meeting the CEO, Do Yeon-hwa, for the first time, I feel the trauma from my past life experience...? It's like, you're facing a really strong and big devil...!Read the terribly intertwined romance of the devil king, the CEO and the warrior, the newest secretary!Good Luck, Warrior! / Good Luck, Soldier! / 행운을 빌어요, 용사님!