I've Been Killing Slimes for 300 Years and Maxed Out My Level, Vol. 4 (manga) (Volume 4) (I've Been Killing Slimes for 300 Years a, 4)

About the Author\nKisetsu Morita is the author of I've Been Killing Slimes for 300 Years.\nBenio is the illustrator of I've Been Killing Slimes for 300 Years.\nFamily, check. Trip to demon lands, check.\nDemon 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\nprophesied. Can Azusa clear up the misunderstanding, or will it be off with Halkara's head?