Back then, whatever finished tasks I have done, our CTO always contradicts my idea and finds a way to humiliate me. I don't get the point why he did that. Probably, he didn't want me to excel at something or he really does have crab mentality. I already reported this issue to our CEO because I was being harassed and submitted my resignation letter.
And boom! Guess what? It looks like our CTO just stepped a chicken manure and treats me nicely like a princess.

P.S. To be honest, it took him like a couple of months to step down and act normal like nothing happened. Really appreaciated the A-ffort, though!