I’m going to make this school my harem!When a cute girl asks Issei out, he believes his twisted fantasies are finally coming true. Too bad the girl sprouts a pair of black wings and stabs him with a spear on their first date! Saved by his school’s number one beauty, Rias Gremory, Issei is transformed into a demon and made her servant. Issei hopes to rise through the ranks of demonkind to grow powerful enough to create his harem, but in a city with fallen angels and insane priests, he’ll be...

When unlucky high school letch Issei is murdered by his first-ever girlfriend on his first-ever date, who should jump to his rescue but the hottest girl in school, Rias-senpai! She informs Issei that he's been reincarnated as a demon and that it's about time he got to work-for her! Caught in the bosom of an age-old war between angels and demons, Issei soon discovers that being enslaved by a demonic beauty isn't quite all that it's cracked up to be!

“RIAS GREMORY’S VIRGINITY BELONGS TO ME!”Issei is finally beginning to adapt to his new life as one of the beautiful Rias’s demonic servants. Just as things start looking up for the perverted high schooler, however, a cocky pretty boy named Riser arrives, claiming to be Rias’s fiancé! To save the prez from a marriage she doesn’t want, Issei and the other members of the Gremory Familia will have to battle Riser’s team. Even with the mighty Boosted Gear at his disposal, can Issei really win ...

Self-proclaimed angel Irina is spreading miracles on Christmas Eve! Issei and the others are invited to a Christmas party in the heavens. However, exorcists are still mysteriously dying, and Irina gets wrapped up in a major incident. The self-proclaimed angel takes flight!

A SHUT-IN TIME STOPPER! After the recent trouble with fallen angels and Excaliburs, Rias is finally allowed to unseal her first Bishop-Gasper. Issei is thrilled to find that this new addition appears to be a cute blond girl...but his hopes are quickly dashed. Not only is Gasper a cross-dressing boy, he’s also a total recluse with the power to freeze time! As if getting a shut-in to come out of his shell wasn’t hassle enough for poor, perverted Issei, a peace conference among demons, angels...

CAREFUL WHAT YOU WISH FOR…Issei’s many triumphs have finally won him the adulation he has always hoped for, but it’s not from the crowd he would’ve liked. Rather than legions of adoring ladies, he’s got tons of mages clamoring to make a pact with him! Well, so long as he finds a cute mage girl, it’ll all be worth it, right? Meanwhile, Gasper receives an order from his vampire family to return home. Why would they want him back after neglecting him for so long?

SIBLING SHOWDOWN!Issei and the others enter the country of vampires and meet Gasper’s old friend Valerie…who now rules as the nation’s queen! But it’s clear that her older brother is the one pulling the strings behind the throne. Gasper vows to rescue her from her brother’s clutches and behead the puppet regime, but it might be too much for him to handle alone. Luckily, he knows a few devils willing to go head-to-head against vampire royalty!

THE KNIGHT SEEKS REVENGE With a sports festival on the horizon, the Occult Research Club expects smooth sailing after all the recent trouble. Everyone seems happy enough-except for Kiba, that is. The pretty boy hasn’t been himself since he saw an old picture of Issei. Things only get worse when two beauties arrive in town with powerful Holy Swords called Excaliburs-deadly weapons Kiba long ago swore to destroy. Issei promises to help his friend, but do the demons really stand a chance agai...

A VACATION IN THE UNDERWORLD! School's out for the summer, and Issei's already dreaming up fantasies of hitting on hotties at the beach. His master, Rias Gremory, has other plans for him and the rest of the Occult Research Club, however-a season-long training stint in Hell. As if that wasn't disappointing enough, Issei's instructor is a terrifying dragon that tried to kill him! It may sound like a brutal lesson plan, but he'll need it because a few of Vali's allies decide to crash an under...

TWO TESTS?! OH, AND THE INFINITE DRAGON.The time has finally come. All of Issei’s effort punching gods and heroes has paid off. He’s been recommended for a promotion to middle-class demon! Unfortunately, he must take a test to seal the deal, and it bangs up right against his midterms! Now the poor pervert is studying twice as hard. As if that wasn’t bad enough, Ophis, the Infinite Dragon and leader of the Khaos Brigade, shows upon Issei’s doorstep and asks to stay with him for a few days! ...

NO MORE ISSEI.The resident pervert of the Gremory Familia is gone. Kiba tries to step up in Issei’s place while Rias and the others mourn, but there’s only so much he can do alone, and even he feels the weight of his friend’s absence. Meanwhile, the underworld is beset by the greatest threat it has seen since the war. Hades and the Hero Faction have made their move. Will the demons be able to survive without the Breast Dragon Emperor?

Issei and the other second-year students at Kuou Academy are off to visit Kyoto for their school trip. Everyone’s excited for a few days of sightseeing and souvenir hunting. However, the fun comes to an end when the Hero Faction of the Khaos Brigade abducts a local fox spirit princess! Issei’s not about to let some villains get away with taking an innocent woman (especially not one with an ample chest!), but his opponents are descendants of mythological champions. Worse, they’ve all got Ba...