Amnesia Agent Turns into a Handsome Teacher

I killed my parents with my own hands... As an agent of the organization, how many difficult missions have you performed? But this time he found out that he shot his parents to death How come the family members who were supposed to die in the fire are still alive, and why does the organization let them perform such a task? I had nightmares one after another and couldn't bear such a blow, so I chose to retire. Before retiring, he took the organization's amnesia potion and completely forgot everything before. He actually became a teacher and lived a funny campus life. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.