2 books in series

The World's Strongest Rearguard: Labyrinth Country's Novice Seeker Light Novel

The World's Strongest Rearguard: Labyrinth Country's Novice Seeker Light Novel is a 2-book series with 2 primary works first released in 2018 with contributions by Tôwa.

The World's Strongest Rearguard: Labyrinth Country's Novice Seeker, Vol. 3
The World's Strongest Rearguard: Labyrinth Country's Novice Seeker, Vol. 4