あいつは優雅な大悪党

From Author Wars - https://authorwars.com/books/aitsuhayou-ya-nada-e-dang-3192808.html

Overview:

Title: あいつは優雅な大悪党
Author: 谷瑞恵
Year: 2004
Type: Novels
Series: 伯爵と妖精 / Earl and Fairy
Number in Series: 1

Variant Titles:

2023. The Elegenace of a Villain