>>530567765
Guoba's event explained this long ago. Once a God expends their powers, their wits are also greatly reduced and their body decreases in size. But as for her eyes, I think it's like how Kiana has this blue vs yellow eyes duality. Casting a different VA was necessary to not make the Asmoday = Paimon link too obvious.

Thinking back on it, Paimon's personality is very similar to vanilla Kiana

>>530567864
Maybe he's like the fujos who aren't trans, but sometimes say they wish they were dudes to fulfill their yaoi fantasy.