/Kira’s POV/
The agent rank system was something adapted from the Korean NSA by the CIA and other agencies in charge of national security in secrets, and the top is the SSS, the triple S agents are extremely rare, in the US there are only 10 of them and I would have been the 11th SSS agent if I had successfully carried out my mission but I don’t regret rebelling, if my rank will be built on blood, then I don’t want it. There are about 25 double S rank agents and in the base where I was dispatched, there were only five of us, the other ranks included, S, AAA, AA, A, BBB, BB, Then B, and level D agents are the trainees and they are all after level B, and I can still remember the trouble I went through to pass those ranks.
Thinking about it now, I wished I had tried to live my life to the f
