六畳間の侵略者!? 8

From Author Wars - https://authorwars.com/books/liu-die-jian-noqin-lue-zhe--8-2461043.html

Overview:

Title: 六畳間の侵略者!? 8
Author: 健速
Year: 2011
Type: Novels
Series: 六畳間の侵略者!? / Invaders of the Rokujouma!?
Number in Series: 8

Variant Titles:

2017. Invaders of the Rokujouma!? 8