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You could have your photos generated by AI. There are AI generators that can generate adult pix. There is no copyright on AI images and with your prompt - the image creation command - you determine what is generated

Check out On1 Photo Keyword AI

Maybe you should try an AI tool and get the paid version if you have so many images:
Try Auto-Remove Scratches https://neural.love/old-photo-restore
https://vanceai.com/old-photo-restoration/