I love that kind of art, woudn't call it fetish tho. The pourpose of watching the struggle of a character is often twofold. To make them more relatable and to make their latter success and peace more fullfilling. And well, the other reasons is where the gif would fit in.
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Assasin's Creed
https://twitter.com/aknasu_fa/status/784417256637771776
Saber looks so good on simple casual clothers. Might be one of my favourites.