"First published in Japan in 2019 by KADOKAWA CORPORATION, Tokyo."

Publisher Marketing: Publisher Marketing : A mystery man and a smartphone? Things are about to get interesting!I'm continuing to level up and kick some monster booty into the next stratum! But there's more to this world than I thought...and it seems there are some big figures at play behind the scenes. Like this man, for example--he just popped up out of nowhere! And...what's this? Holy crap, a cell phone?! Maybe I'll finally be able to communicate with someone down here in this labyrinth and start getting to the bottom of things!

Format: Paperback | Pages: 178 | Publication Date: 2019-07-30