The name could actually be Isaac considering Isaac Asimov.
Though, what if the twist is that she's actually part human, like a cyborg? Just with no memories of being one, so she just acts like a robot and calls herself a human.
She was but is no longer. Not sure how that makes it not yuri? Also really any story that has a android sexbot for men that ends up in a lesbian relationship has an implicit theme of breaking away from heterosexuality and heteronormativism in it.