An Immortal's Journey Across the Planes

A guy who died in a plane crash, forgot to buy insurance, and was too afraid to call his little sister becomes an immortal with the template of a hero.

In Lothric, he meets Nora, an armored warrior from the tower, and together they set out on a journey.

P.S. This story features multiple planes. Most of the characters are original or from games, with a few from anime and manga.