12 titles recommended if you like A Wild Last Boss Appeared!
Loner Life in Another World
InuYasha
Rage of Bahamut
The Heroic Legend of Arslan
Slayers
ZENSHU
The Banished Court Magician Aims to Become the Strongest
I'm Quitting Heroing
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
Dragon Quest: The Adventure of Dai
Fate/Grand Order Absolute Demonic Front: Babylonia
Yu-Gi-Oh! 5D's