->''"President Rias Gremory's virginity belongs to me!"''
-->-- '''Issei Hyodo''', setting the stage.

->''"Ara ara, ufufufufu~"''
-->-- '''Akeno Himejima''', [[TheTease teasing]] [[RunningGag once again.]]

->''"Remember to practice with these."''
-->-- '''Xenovia''' offering Issei some condoms...in the middle of homeroom.

->''"My name is Rias Gremory. And I am a Devil."''
-->-- '''Rias Gremory''' presenting herself to Issei.

->''"I want you to remember him. The man called Issei Hyodo."''
-->-- '''Ddraig''', [[spoiler: after Issei's death and his conversation with Ophis.]]

-> ''"I won't forget. My only friend."''
-->-- '''Ophis'''

-> ''"If it's a god then I will kill it with this spear. Come, let the battle begin."''
-->-- '''Cao Cao'''

-> ''"I just believe in my own body, that's all."''
-->-- '''Sairaorg Bael'''

-> ''"I, who shall awaken, am the Heavenly Dragon who stole the principle of "Domination" from God."''
--> ''"No, I'm the Red Dragon Emperor who said [[PrecisionFStrike fuck]] the principle of "Domination"."''
-> ''"I laugh at the infinite and fret over the dream."''
--> ''"I got infinite hopes and dreams suckers, and imma be badass!"''
-> ''"I shall become the Red Dragon of "Domination"."''
--> ''"F that shiz, more like I'll become the Red Dragon King!"''
-> ''"I shall drown you in the depths of crimson Purgatory!"''
--> ''"I promise everyone! I'll show you a future that shines of deep crimson!"''
-> ''"Future?! You think you can show us?!"''
--> ''"Yeah son! Chill, I've got this! Or, ya know what? We'll show 'em together! Our comrades, the women we love, and the children!"''
-> ''"We can show them!"''
--> ''"Let's go you old geezers! I'm the Red Dragon Emperor! And the Grabbin Dragon! The man in love with Rias Gremory! I am Issei Hyoudou!"''
-->-- '''Issei''', [[BadassBoast rejecting the former Boosted Gear users desire to use the Juggernaut Drive]] and instead convincing them to awaken the Cardinal Crimson Queen.

-> ''"Would you sell your soul to the devil? No? How about if they’re stonkingly hot and have a batallion of attractive followers? Yes? Well, here you go; you’ll like this show!"''
-->-- '''Creator/MasakoX''', recapping the series.