I've Been Killing Slimes for 300 Years and Maxed Out My Level Novel Volume 14 is written by Kisetsu Morita with illustrations by Benio.

I've been killing slimes for 300 years, and the Witch's House Café is finally open for the third time! But I've still got one big problem--so this time, I'm going to take on the challenge with a secret strategy....!!! Plus, we’re eating demon apples (the forbidden fruit!), playing with ghost cats at the cat cafe, and meeting the reaper in the depths of the earth!