I'm doing crazy things in Beng3

"Mr. Xukong Wanzang, as a good friend of Bishop Otto for many years, you will fight with him to the end, right?"
Lin Wei mysteriously stuffed a small note into Xu Kong Wan Zang's small box and said, "Keep it safe and don't lose it. When Otto rushes to the tree, you quietly put it on Otto. He won't be able to find it in the chaos of the day."
"You ask what's written on it? It's just some tips on how to save Yae Sakura. I tried it and it works. Kallen will be very happy to see it."
"Hey, I'm such a good person..." Lin Wei, who did good deeds every day, left with satisfaction.
This is a boring time-travel story about an ordinary fun-loving person who is doing ordinary things in the collapsed world.