Here's the full reference for the son between Kachi and Kataki of a different timeline. I've given him the name Mori with his father's last name, considering it just kind of fits. This is an age progression sort of reference since this brainchild has yet to be born in a storyline, lmao.

Full Image Size Here: https://i.imgur.com/9BKSnRd.png

Art & Mori © to me
Creation of Mori © to myself & FangedSword