I've Been Killing Slimes for 300 Years and Maxed Out My Level Vol. 4
"Family, check. Trip to demon lands, check. Demon king meet and greet, che—Uh-oh. Azusa’s laid-back vacation is smashed to a million pieces when Halkara smashes into the demon king—just as the Great Slime
prophesied. Can Azusa clear up the misunderstanding, or will it be off with Halkara’s head?"