六畳間の侵略者!? 27

From Author Wars - https://authorwars.com/books/liu-die-jian-noqin-lue-zhe--27-2652025.html

Overview:

Title: 六畳間の侵略者!? 27
Author: 健速
Year: 2017
Type: Novels
Series: 六畳間の侵略者!? / Invaders of the Rokujouma!?
Number in Series: 27

Variant Titles:

2019. Invaders of the Rokujouma!? 27