Is it still considered a backstory if the protagonist doesn't exist? Companion story to "Reset".

After finally freeing everyone, you accidentally end up right back at the beginning. No one knows who you are, not even the person you love most. Do you have the Determination to do it all again?

*FEATURED STORY* As Judge for King Asgore Dreemurr, Sans has seen a lot of strange stuff. But when he wakes up with the feeling that something is completely wrong, he decides it's time to investigate with the only monster who could know what was happening: Royal Scientist W.D. Gaster.