Undertale romance fanfic AsrielxFrisk(female) After Nilu (Frisk) manages to save Asriel at the end of the Pacifist route, they make a promise. That no matter how long it will take for Asriel to reincarnate she will wait. Seven years pass and Nilu finally reunites with Asriel. After his reincarnation Asriel and Nilu become best friends. And Nilu starts developing feelings for a certain Dreemurr.