冥界合宿のヘルキャット

From Author Wars - https://authorwars.com/books/ming-jie-he-su-noherukiyatsuto-2972739.html

Overview:

Title: 冥界合宿のヘルキャット
Author: 石踏一榮
Year: 2009
Type: Novels
Series: ハイスクールD×D / High School DxD
Number in Series: 5

Variant Titles:

2021. Hellcat of the Underworld Training Camp