3 books in series

この素晴らしい世界に爆焔を! Konosuba: An Explosion on This Wonderful World! Light Novel

この素晴らしい世界に爆焔を! Konosuba: An Explosion on This Wonderful World! Light Novel is a 3-book series with 3 released primary works first released in 2014 with contributions by Natsume Akatsuki and 暁 なつめ.

Konosuba: An Explosion on This Wonderful World!, Vol. 1 (light novel): Megumin's Turn
この素晴らしい世界に爆焔を! 2 ゆんゆんのターン
この素晴らしい世界に爆焔を! 3 ふたりは最強!のターン