Konosuba: God's Blessing On This Wonderful World manga volume 16 features story by Natsume Akatsuki and art by Masahito Watari.

Megumin and Yunyun are shocked to learn of the evil goddess Wolbach's appearance in the capital. But Megumin has a confession to make—she’s already broken Wolbach’s seal before, and according to her, the real Wolbach couldn’t possibly be in the capital...so where is she?