You have been in the underground for a while, living with Papyrus and Sans. All is well, except that you have to take care of Flowey. After a while of taking care of him, you realize that you have feelings for the little plant.
You're a human girl, living on the surface with Frisk, who is your younger sibling. You one day find two children, who's been chased away from neighborhood to neighborhood. And with you're kind soul, you couldn't leave them to live in the streets. You take them in, and meet their father. But will one day, lose them, because of a war.
There is some ErrorBerry, and PaperFresh in this too.