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!

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!

Can this duo of devilish darlings really grant any wish?!The naturally clumsy Sister Asia and taciturn cutie Koneko form an unlikely pair as they head out to answer summons from humans with requests, but...can they really fulfill every desire?! These two little devil beauties get down to work in this spin-off of the megahit High School DxD!

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...

"Hold me, Issei." ...Are you serious, President?! Issei Hyoudou, recently brought back to life as a devil, works hard every day in pursuit of his ultimate goal--to become the "Harem King"! Meanwhile, a handsome aristocrat, Riser Phoenix, makes his entrance, claiming to be engaged to President Rias... Her reaction, though, is a surprise to all!

“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 ...

Is love in the air between lowly servant Issei and his mistress, the bewitching Rias?! Reincarnated as a demon by Rias, the school beauty, Issei finds himself in servitude to his devilish mistress. But when Issei befriends Sister Asia, a nun from the Church, which is widely known to be hostile to demonkind, he's practically asking for a target on his back-as Rias is quick to inform him! Worse yet, when the good sister is kidnapped by a fallen angel, Issei rushes to her aid! But little does...

The fateful rating game has finally begun! Rias and her team may be hot stuff, but they find themselves struggling against Team Sohna and its members, who are putting their very lives on the line! When things look desperate, Issei's strongest-ever technique explodes forth! And it's coming for Team Sohna's...boobs?!

AN AWESOME POWER IS UNLEASHED...WITH THE HELP OF THE PRESIDENT'S CHEST?! Now that training is done and Rias's peerage is back together again, it's time to party! With just one day before the big game, tensions are running high, and things only get worse when some party crashers arrive! Issei is eager to show off the results of his training, but he still can't activate his Balance Breaker...or can he? Looking at Rias, his eyes drift downward, and he realizes what he must do...Is there room ...

"Would you like to have a fling with me?" Akeno-san drops a bombshell?! Issei has just started cohabiting with his beloved President Rias, so he's all "viva sexy time!" But will Akeno-san's proposition lead to a deadly lovers' quarrel?! And what will Issei do when faced with a battle over the holy swords?!

Summer's here, and before anyone knows it, the rating game between the Gremory and Sitri houses is scheduled to take place in the devil realm! Issei and the gang jump right into some hellish training, but something's not right with Koneko-chan...?