Responses
Nah, you’re about right - but in the end he doesn’t really know either
He needs to ask the sword spirit (leo/reo) to have the truth
there’s more chances she’s his sister, but posing as her dad will give him more authority to protect her and preserve the dignity of his dad, so he went with it, before having the answer
Is she his daughter or sibling now? Bcs it was mentioned that his father had an affair. Correct me if I'm wrong.