>>536702013
>2/4 of the most notable novels have female protagonists (Fate was almost a third one)
>copious amount of rape backstories and sexually liberated women
>sex scenes aimed at women
>enduring romance with Takeuchi, who provided for Nasu when they were starting out
>best friends with Sakurai and WADA Arco
>says suspiciously feminine things regularly
Not to mention, why even the need to conceal your identity that much? Nasu is clearly a women who doesn't public knowledge that she's such to influence how people perceive her work.