>>280565326
>that man since long ago
>long ago
So he's an old fart now. Can't think of anyone that fits the bill in the story besides Kuseno
Maybe they had some sort of rivalry when they were young and Kuseno plotted his revenge against Bofoi out of some past mishap or jealousy. But then he almost had a change of heart along the way when he met Genos. His admission before he died about dragging Genos into his quest for revenge says a lot