Konosuba an Explosion on this Wonderful World Vol 3 Manga English

KonoSuba: An Explosion on This Wonderful World! (Japanese: ??????????????, Hepburn: Kono Subarashii Sekai ni Bakuen o!) is a Japanese light novel trilogy by Natsume Akatsuki, a spin-off of his KonoSuba: God's Blessing on This Wonderful World! series.

Set two years before the beginning of the main series, this novel follows Megumin and Yunyun's time as students in the Crimson Demon village's high school. As a child, Megumin is saved from a black beast by a big-breasted woman using Explosion magic, who inspires her to learn the spell. The beast is shrunken by the woman and becomes a small cat, which is later adopted by Megumin and nicknamed Chomusuke. In school, Megumin and Yunyun are repeatedly competing with one another to be the best student, with the former hoping to raise enough Skill Points to learn Explosion magic.