裏切り王女

From Author Wars - https://authorwars.com/books/li-qie-riwang-nu-3035704.html

Overview:

Title: 裏切り王女
Author: 木塚ネロ
Year: 2016
Type: Novels
Series: 二度目の勇者は復讐の道を嗤い歩む
Number in Series: 1

Variant Titles:

2021. The Traitorous Princess