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...?

"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?

I'm gonna suck on the president's boobs
The fight over the holy swords heats up, and so do Issei's passions As devils, fallen angels, and agents of the church all vie for control of the stolen Excaliburs, devil sword user Kiba's hidden past comes to light Friendship and hot-blooded lust collide in this mix of school romcom and fantasy war games

A conference between devils, angels, and fallen angels? Kuou Private Academy will never be the same
Devil King Sirzechs pays a visit to the Hyoudou household, and he's got some astonishing info for Issei and the gang Later, the beautiful swordswoman Xenovia too has a shock in store for Issei when she asks him a question that's been on her mind: "Will you have a child with me?.."....Can she be serious?

Reads from right to left in traditional Japanese format.