So I'm a Spider, So What?, Vol. 14 (manga) - Bianca Pistillo, Asahiro Kakashi, Okina Baba

Because I went a little cray-cray, I’m now the weakest “god” without any way to actually USE abilities!  I mean, yeah, eating a GMA bomb is definitely a “don’t try this at home, kids” kinda thing, but really, it’s not like I had much of a choice! And now I’m stuck like this—a god with no way to protect myself, traveling with a Demon Lord who may or may not want to kill me...