you and Undyne used to be enemies with her constantly trying to kill you while you just go about your day, but after Undyne saw that you remind her too much of Asgore, and she can’t in good consciousness kill someone she sees as kind, you guys have made amends and are now friends. You see her talking to Sans and Papyrus in Snowdin. “Human, it is great to see you” Papyrus said as you approached them “Hey little buddy, did ya get a sunburn yet from Hotland already or did you just hate the place that much? I don’t blame ya, that place is almost hell”