You transferred from the real world to the novel called 'Genshin Impact', your favorite. However, you are just a background character who has no obligation other than to die at the hands of the tyrant Duke, Scaramouche.

In the original story, the right thing would be for you to arrive at Scaramouche's mansion as a future husband/wife but then be cruelly killed by him. He acted cold and arrogant as expected, but things slowly started to change.