>>528964160
he actually might I think he was one of the only ones not married and without kids at the end of the manga

I'm also watchful to stuff you have in mind but i think it's just a puppet, Phrolova controls Hecate, it's just a tool.
If Hecate was a dude TD we'd have a whole cuckposting drama so Kuro lose no matter what and in the end I think they just wanted to make a cool "classy" dancing puppet mistress character.