Faceswap is not the software you require for your kind of use case. It requires lots of data for both sides. Something like First Order Motion Model may be more what you are looking for:
https://github.com/AliaksandrSiarohin/first-order-model
How to simply swap faces of two images?
Read the FAQs and search the forum before posting a new topic.
This forum is for discussing tips and understanding the process involved with Training a Faceswap model.
If you have found a bug are having issues with the Training process not working, then you should post in the Training Support forum.
Please mark any answers that fixed your problems so others can find the solutions.
Re: How to simply swap faces of two images?
My word is final
Re: How to simply swap faces of two images?
Yeah, Faceswap doesn't do this. It can swap a single face, but you would still need highly varied training data, so it isn't the best for it.
There are probably solutions in the AI Discussion sub-forum
My word is final