They are gods cursed by time.
Once Ragnarok comes, they will sink into the abyss and never wake up.
He struggled to find a way to reverse time, going around and around, but found that she was the hope to save the gods.
But if he wants to reverse time, he has to sacrifice her.
The song of the Nine Desolations, the swan song of God. The sob-like sound of the piano will never sound again.
I would like to fall into the abyss of time forever and be lonely with you forever.