History Has Been so Confusing

I am a volunteer in a time traveling scientific experiment. Study history hard just to remember the right people and the right things. Get ready to come to another era of cheating, eating and drinking, and living a prosperous life. Unexpectedly, when I came here, I found that history had changed beyond recognition and was in chaos. I was blind and had no choice but to live in cowardice. I just wanted to survive until the experiment was over and return to my era and my country safely. Unexpectedly, due to the push of fate and my own random tossing, I stumbled into a painful but magnificent journey. Iron-blooded tragedy, love and hatred, leaving the wandering mind behind! I learned history in vain, but it became my only teacher, my only friend, my only support...