How Can a Weak Hunter Protect the Team Leader?

As a B-class civilian hunter, Seon-jun was on the verge of completing his 'mission' to save 10,000 civilians when he rescued a middle school student who lost his parents to a monster in a collapsed department store, sacrificing himself in the process. But just when he thought he was dead, he opened his eyes in the body of a 25-year-old young man named Oh Yun-oh, whom he had never met before. It was absurd enough that the owner of this weak body, who was a D-class intern and looked more like an idol than a hunter, was him, but even his 'mission' had changed. Mission> Prevent the death of 'Cha Yeo-hoon'! (0/1) └Time Remaining: 365 days out of 3,650 days └Reward: 5,000,000,000 won └Failure...