C321 butterfly guide
Yeah, I was in a hurry, so I don't have a clue what was going on. Now that I think about it, there's a secret communication method between him and me.
"This is a long story. Every time the two of us separate, no matter what the reason, there will always be one person who goes missing. In the end, the two of them had to go through countless difficulties before they were able to get back together