What would have happened if Rimuru, who had just saved his past self, suddenly died under mysterious circumstances. Ciel didn't want him to die, so she sacrificed herself so he could live, but there was cost he couldn't go back to his own body or his timeline. He was sent back thousands no billion of years in the past. Where he meets Twilight Valentine, before he had created his alter-ego Luminous Valentine. His new life as a high elf. Not just any high elf, the only high elf of time.
(Requested)
Ships:
Not decided.
After Feldway send Rimuru to the end of time and space Rimuru decide to find a way to go back when he's wake up but Ciel tell him that his timeline had already destroyed so he cannot go back
after hearing that Rimuru start to feel a lot of emotion inside him sadness regret and pain all the emotions you can think of come to him at once and start to make him go insane
Ciel after seeing this decide to seal his memory away and cause him to go to a long sleep, and when Rimuru wake up had no memory of anything about himself only his name start to go on his own journey