I know it's stupid but Future Devil said Denji was the one who killed both Aki and Power. So what if at some point Denji unknowingly killed Power and Makima make illusion of her killing Power like in the last page?
But.. nvm, i'm fully aware in previous chapter Denji has interaction with...
tf dude, at least give us some plot. Right before i'm expecting some good development he's just killed it away. It's a nice manga, and i'll come to read it again but MC just keep killing everyone and i'm expecting to be at least MC explain that he already killed the devils to him. Well it might...