Oh, So This Is How You Play Detective?

I admit the criminal who committed this case is utterly evil, but the way you're solving it proves you're no good yourself!

“I once couldn't tear myself away from the path I had just begun.”

“And I got lost in the bliss of it, too.”

“I wouldn't repent, wouldn't think, and wasn't afraid of being laughed at.”

“I once turned the abstract into scripture.”

“And once kicked summer into full swing.”

“Outrageous criminal, let's just arrest him!”, Xia Ling, "Going Crazy"