So I'm a Spider, So What?, Vol. 11 (Manga)

Publisher Marketing:
ROCK, PAPER, SCISSORS...FIRE!? After gettin' quite the one-sided beatdown from the Demon Lord, who should show up but my hero? At least, that's what the label on the can says. But who knows? Maybe he has a useful skill that can defeat a Demon Lord...I need all the help I can get to save me, Vampy, and that dandy stud!!