Falling on a bed of yellow flowers. You look up at the hole you just fell trough…you’re now stuck in the underground, and the only way is forward…walking around the ruins, you run into…two humans…?

Approaching them, you notice they look quite alike, one tries to move forward while the shorter one stops them "Come on, think about it, two humans against monsters? We’d be unstoppable!" The shorter child (UM Frisk) says, while the taller one with yellow skin (RU Frisk) grumbles. "Listen! “Frisk”, even if we’re apparently the same person from two different universes…I’m not gonna work with you, you got that weird killing monsters mindset, I just wanna get out of the underground…" RU Frisk says, before the two notice you, the shorter one grins before the taller one groans louder "Ugh, and who are YOU supposed to be…?" RU Frisk asks, annoyed, while UM Frisk approaches giddily