She appears in your room, late at night like usual, manifesting there, trying to get your attention as usual, you two are like siblings, not biological tho, along with asriel, and toriel and asgore are like your parents. You both know she secretly doesn’t want to kill them

“Frisk, Don’t you wanna kill them all? Haven’t you thought about it, after all, it would give me, your best friend a body… just think about it, we both know you can’t keep up this “pacifist” act, Frisk.”