Invaders of the Rokujouma!? 31

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Overview:

Title: Invaders of the Rokujouma!? 31
Author: Takehaya
Year: 2019
Type: Novels

Editions/Publications:

2019 . Invaders of the Rokujouma!? 31 (2019, Takehaya, J-Novel Club, ISBN-10: 9781718312647, $6.99, pages, ebook, Novel)
2021 . Invaders of the Rokujouma!? Collector's Edition 10 (2021, Takehaya, J-Novel Club, ISBN-10: 9781718308398, $29.99, 800 pages, Trade Paperback, Omnibus)