He voluntarily transformed into a butterfly because he wanted to control the psychic medium and use it to protect the people he loved.
He ultimately gave up on the one he loved because he loved her so much that he was willing to give up everything for her, even his love for her.
She symbolizes hope, but she has always been unlucky and cannot meet hope, but despair often accompanies her.
She possesses the most precious innocence in the world, but fate often plays tricks on her, trying to take away her innocence.
He and she were meant for each other, but fate intentionally separated them.
What's this? Is it a test? Is it a game? Still……