12 titles recommended if you like High School DxD
The Testament of Sister New Devil
Vermeil in Gold
Harem in the Labyrinth of Another World
Seven Mortal Sins
Hybrid x Heart Magias Academy Ataraxia
Panty & Stocking with Garterbelt
Aesthetica of a Rogue Hero
To Love Ru
Maken-Ki! Battling Venus
The Greatest Demon Lord Is Reborn as a Typical Nobody
Interspecies Reviewers
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too