Complete! The player has just finished fighting sans and has left him to die. As sans turns to dust he sees a flash of light before everything goes black. He then wakes in a new world. Note: I don't own undertale bnha or the character in it nor do I own any of the art in this, this is just a fan fic that I decided to make.

One day, you are sent flying into the world of your favorite anime, My Hero Academia. Will it be everything you dreamed of? Or will this world be something you could never even have imagined?

In this story is about a modern world scariest assassin reader who had crossed time to an anime world. World of swordsman and demons. Declaimer: I do NOT own Kimetsu No Yaiba or you, ONLY the story plot! Book cover by: Lina-Mizusuki Thank you so much for the Book cover it's actually awesome❤💓💖

The infinity stones restores the balance of the universe. Collecting them all together, it can make your desire come true but to a price. Thanos used the infinity stones to wipe out 50% of the population and said to have destroyed the six infinity stones. But actually, he didn't successfully destroyed it. The collision of six infinity stone created its person that is now called, Y/n. Now, wanting to live a lowkey life led Y/n to attend UA support course, having personal encounters with people basically wanting to get involved with her petty life. What happens then?