When he woke up, he found that he was in a prison and had lost all memories of the past. He had no friends, no past, and no idea who he was. The only reminder is the past and fragments in the dream, but the past in the dream does not seem to be his own. The protagonist in the dream is not him, so who is the protagonist in the dream, and who is he? Life is obviously yours, but why do you always feel like someone is behind it all? No matter what, you can't escape the established track. What kind of past do you have...