"This is a lie," Lissdia said. "Sister Nina was never a candidate on the Gospel List, she was actually on the List of the Unfavored, and she was my sacrifice."
"The royal family of Yisu ensured that each princess could become the First Gospel by having another princess with a high compatibility entered into the List of the Unfavored, forging the former's glory by sacrificing the latter's fate."
"Sister Nina did indeed live in the Tower previously. Your inability to find her means that she has already left as one of the Unfavored."
Ash recalled Liss' wish to "abolish the List of the Unfavored"—he hadn't asked much about it at the time since he too wanted to cancel the list. But if he had asked more questions then, thought further—could he have seen through Liss' lie, could he have—
"No matter what you do, she would have let me come out to save you," Lissdia said. "Someone has to be sad, and she didn't want it to be herself."