I'm afraid it's not a fake hero

The heroic spirit Savior, who accompanied the last master of mankind from the first singularity to the end, suddenly disappeared in Chaldea one day.So... the original inhabitants of other worlds suffered.After losing the channel for offering demons, in order to barely stay in the present world, the heroic girl had no choice but to choose to forcibly replenish demons.Known victims are: the fourth-ranked professional hero, a bandage waste device, a nine-tailed demon fox, a certain pillar, a certain five-element god, an infinitely split earthworm, a certain leader, Hei Ni 1v1, and the male protagonist's uncle. Search keywords: Protagonist: Jie Luo┃ Supporting role: Little hero, sharp knife, white cut black