There is a rule in this school that you can find someone to protect you, but there is a fee. He has a bottom line: don't be tempted by him, otherwise he will put you on the blacklist, ignore you, and let you destroy yourself.
When he was a child, a little sister met him at the entrance of the orphanage and gave him a candy and said: "You have to live a good life. When I grow up, I will go to you, okay? Let's exchange gifts. I'll give you this necklace. I want the bracelet on your hand."
When they met again, the girl didn't remember him. She was the exception. When his light broke into his world, it became different. His world became colorful, which was also his happiest time.
But the girl was about to go abroad, but she stayed behind for unknown reasons.
Purpose: Study, have fun