12 titles recommended if you like The World's Strongest Rearguard
The Villager of Level 999
Slayers
The Familiar of Zero
The "Hentai" Prince and the Stony Cat
Ranma ½
Knight's & Magic
So, I Can't Play H!
Farming Life in Another World
Ranma1/2
Campione!
May I Ask for One Final Thing?
The Do-Over Damsel Conquers the Dragon Emperor