Momonga was waiting for the YGGDRASIL servers to shut down when he was suddenly transported to a new world. Why are these robed men calling him a hero? Why does he have a spear? WHAT IS GOING ON HERE?
Naofumi ends up in the Underground with no idea how he got there or what he was trying to do before that. What will he do in a world where the monsters are trapped and the key to their freedom is taking his soul?
What if Keel joined Naofumi's party before they headed out to Cal Mira? (Uses LN version of events. Anime-onlys may be surprised. Obviously contains spoilers about Keel.)
A fan and fic writer gets summoned as the Shield Hero. This is the journal left by that hero.