The Journey Back to You

Crossover of different stories and shows to get the one the MC loves hundreds of times over as they are separated and brought together over and over.

Yukiteru Amano has just finished the death game in the First Iteration and things go south very quickly as he finds himself lost in time and space, join Yuki as he tries to find Yuno in the lives that follow. what is all these memories and why is he able to remember all his past lives, follow Yuki as he looks for the answers in all his different lives.