He came to Devil's Bridge and awakened the sleeping devil. And used his soul as a bargaining chip to sign a contract with the devil.
He wants to protect what he wants through the power of the devil. "If you can protect everything I want to protect, you can take everything I have and never regret it!"
"Oh, really?"
"Even if it's my life or soul as long as you are willing."
"The soul is indeed very attractive to me, but I want to borrow your body more than this, because your body is more valuable to me."
"As long as you can agree to my conditions, I will let you choose whether you want to borrow or own."
"It's a deal. As long as you sign this contract with me, I will be your only servant and do what you want. But you can rest assured that I am not borrowing your body to take or possess it. I just want to borrow your body to rest. For me, you are the one I want in the future."
Concept: What kind of happiness do you want? I have never seen