What If Issei Became the Dark Kaizer | Part 1

What If Issei Became The Empire’s Wrath | Part 1

What If Issei Became Host to an Insane Dragon | Part 1

What If Issei’s First Love Never Died | Part 1

What If Issei Had a Legendary Magic Grimoire | Part 1

What If Issei Lost His Boosted Gear | Part 1

What If Issei Had the Power to Copy Anything | Part 1

What If Issei Married 9 Women | Part 1

What If Issei Had Garuda’s Power | Part 1

What If Issei Could Erase Anything | Part 1

What If Issei was Supreme Dragon King | Part 1

What If Issei Became the Prince of War | Part 1

What If Issei Was Son Of Azazel | Part 1

What If Issei Becomes Prince Of Shadows | Part 1

What If Issei Had Satan as His Master | Part 1

What If Issei Unleashed the Boosted Gear | Part 1

What If Issei Was the Host of the Demonic Hell | Part 1

What If Issei Had a Hidden Supernatural Past | Part 1

What If Issei Had a Mysterious Power | Part 1

What If Issei Was the Ultimate Holy Swordsman | Part 1

What If Issei Was the Strongest Demon | Part 1

What If Issei Became An Unstoppable Creator | Part 1

What If Issei Was Born From The Sun | Part 1

What If Issei Became the Heir of an Eternal King | Part 1

What If Issei Was Saved From Evil Angel | Part 1

What If Issei Was Grossly Over Powered | Part 1

What If Issei Gained Xix’s Power | Part 1

What If Issei Became a Wish Granter | Part 1

What Is Issei Awakens Forbidden Power | Part 1

What If Issei Awakened Satan’s Power | Part 1

What If Issei Awakened Satan’s Power | Part 1

What If Issei Becomes Annihilation Maker | Part 1

What If Issei Became the Ultimate Dragon | Part 3

What If Issei Became the Ultimate Dragon | Part 2

What If Issei Became the Ultimate Dragon | Part 1

What If Issei Unleashed Juggernaut Drive | Part 1

What If Issei Became Spartan Soldier | Part 1

What If Issei Had Broken Boosted Gear | Part 3

What If Issei Had Broken Boosted Gear | Part 2

What If Issei Was Summoned as an Evil God | Part 1

What If Issei Awakened the True Boosted Gear | Part 1

What If Issei Was The Son Of King Solomon | Part 1

What If Issei Embraced His Dragon Nature | Part 1

What If Issei Had A Protective Senior | Part 1

What If Issei Had Infinite Dragon Power | Part 1

What If Issei Became Death’s Chosen | Part 1

What If Issei Had Ultimate-Class Power | Part 1

What If Issei Was The Fastest Human | Part 1

What If Issei Became the Biblical God | Part 1

What If Issei Inherited Primordial Power | Part 1

What If Issei’s Childhood Friend Wielded Gae Bolg | Part 1

What If Issei Became The Magical Criminal | Part 1

What If issei Awakens Spardas Soul | Part 1

What If Issei Met a Half-Devil Hero | Part 1

What If Issei Had a Living Sacred Weapon | Part 1

What If Issei Met His Future Daughter | Part 1

What If Issei's Sister Was the Chosen Champion | Part 1

What if Issei was Gabriel's Joker | Part 1

What If Issei Was the Devourer Devil | Part 1

What If Issei Led the Hyodo Clan | Part 1