When homicidal ghost and a peaceful girl awake both with body's the peaceful girls got to use all of her enemies weaknesses against her and go to where she is most experienced.

A man wakes up to find himself inside the world of Naruto experiencing it via a video game. Forced to fight to survive, he sets upon a path of self-discovery, whether to save this world or destroy it. Self Insert. Finished, finally.

The year is 2030. The monsters are now aboveground, freed by the then nine year old, now 11 year old Frisk. Papyrus is taking regular cooking lessons, Toriel's a teacher. And Sans? He's happy, finally. The nightmares have stopped, and he has an amazing wife and is an awesome dunkle to Frisk. But one day, he goes to tuck in said child, and finds a nasty surprise... SPOILER WARNING