is a Japanese light novel trilogy by Natsume Akatsuki, a spin-off of his KonoSuba: God's Blessing on This Wonderful World!

An anime television series adaptation produced by Drive aired between April and June 2023.

The Megumin-focused spin-off light novel series is written and illustrated by Akatsuki and Mishima respectively, titled KonoSuba: An Explosion on This Wonderful World!

and takes place a year prior to the main series, was released from July 1, 2014, to June 1, 2015, in three volumes.

Bonus Story, (続・この素晴らしい世界に爆焔を！, Zoku: Kono Subarashii Sekai ni Bakuen o!, lit.