>>105777732
Yeah, there's no "topless" captioning, the paired dataset is just "fully clothed > naked", so it doesn't understand the concept of topless/bottomless. Surprised it even worked for you 20% of the time, actually. It's all real women too, btw, so it might struggle with anime.
Someone could make an anime version the same way, take naked anime pics and use Kontext in a batch folder run to clothe them all for your paired dataset.