The Case of Being Reborn in the Same World Twenty Years Later After Dying to Protect My Friends… But Wait, This Is My Second Reincarnation, Right?

The protagonist, Towa, once died and was reincarnated into another world. However, in that world, Towa sacrificed himself to protect his friends and died again… and then, he was reincarnated into the same world once more. Although a considerable amount of time had passed since his death… his former friends, unable to accept Towa’s death, had fallen into a deep, dark state of despair.