"You are like a butterfly that accidentally flew to my fingertips. After a short stay, it will fly away soon." He once described the relationship between the two. Now that I think about it, it actually became a motto. Siblings in childhood, lovers who met but did not know each other as adults, and the enemy who killed his father after regaining his memory. If this kind of relationship were water, then she would have been struggling in the water, but he said, I would have drowned in it.