狂三キラー

From Author Wars - https://authorwars.com/books/kuang-san-kira-2972328.html

Overview:

Title: 狂三キラー
Author: 橘公司
Year: 2011
Type: Novels
Series: デート・ア・ライブ / Date a Live
Number in Series: 3

Variant Titles:

2021. Killer Kurumi