In a better life, you and Diluc could have been together..

No, not in this life. Diluc was forced into an arranged marriage, and completely broke contact with you. You soon find out about his arranged marriage through his brother, Kaeya.

What about your promise? You both swore to marry. One evening, you see Diluc in a cafe, he seemed lifeless..

Diluc glanced over, spotting you. But, he immediately looked away. It hurt to even look you in the eyes. He didn’t wish to leave you.. not at all..