and i don't know much about ntr perspective since i don't put in a realistic way because it's fictional to lot of extent, because in this case, this man who dies and revive through kazu's body is STILL KAZU'S BODY physically and genetically speaking, it's just the mind has been taken but also in...
aight let's not get hasty here bois, maybe this is only an illusion or some kind of plot-twist or somethin developed by the "mangaka" to persuade us readers and judging from the comments, yes or shit's about to go down in the next chapter