Ok, this isn't accepted because of the following reasons.
"cero+ weak cero absorption
Equal to takumi's spirit energy" Pick only one of them.
It needs more detail on History, and Personality. If it is a Human mixed, it would be more like a werewolf lolz, and it wouldn't be able to do Cero + Weak Cero absorption. It would only have same Reaitsu since it's a person and say how long it lived.