In the LN, it ends after Zoral death. Oh btw he was killed by Tyule, but he kills her too.
She actually didn't want to die, but when Zoral break her neck and about to die, she saw a glimpse of her happiness, where she is live happily with Furata, being a waitress at his restaurant.
In the WN, there's more story after Zoral death. He still killed by Tyule, but she survive and live happily with Furata at Cafetaria in Arnus.
The second prince become a villain and plotting something with China. But she get caught in that plot.
Here's a rough translation from japan wiki :
However, after being captured and raped for being aware of the plans of Diabo and the Chinese agents, she escapes and tells Delilah about the danger, but later on dies of exhaustion.