Befriending A Wandering Soul

Naruto is pushed into the hole on top of Mt. Ebott by his older sister Mito. He ends up meeting Chara. Instead of letting him corrupt him he befriends him and promises to find a way to make him human again. He wanders throughout the ruins. He lets Chara take possession of his body. As he wanders he glitches showing short flashes of Chara and him. When he spares Toriel and explains to her why he needs to proceed. She watches in sadness as he glitches from himself and Chara. She allows him to pass through. He passes her and goes to Snowdin. Where he meets Sans and Papyrus. He realizes how Sans acts around his younger brother. What does he choose to do? Help? Or let it be?