I am the Villain

In the eighty-third year after the disappearance of “The Wanderer”, humans found a broken notepad in the research institute where he was imprisoned when he was young. There was this sentence on it:
“I just… accidentally saw some very interesting things.” Interesting stuff, I have to admit, it’s beautiful…really beautiful, but I’m sorry I have to stop it from coming.” ”
Even if it makes ninety-nine percent of people want to kill me, haha …”