Reeling from her recent breakup, Momo Ayase, a popular high schooler, shows kindness to her socially awkward schoolmate, Ken Takakura, by standing up to his bullies. Ken misunderstands her intentions, believing he has made a new friend who shares his obsession with aliens and UFOs. However, Momo's own eccentric occult beliefs lie in the supernatural realm; she thinks aliens do not exist. A rivalry quickly brews as each becomes determined to prove the other wrong. Despite their initial clash over their opposing beliefs, Momo and Ken form an unexpected but intimate friendship, a bond forged in a series of supernatural battles and bizarre encounters with urban legends and paranormal entities. As both develop unique superhuman abilities, they learn to supplement each other's weaknesses, leading them to wonder if their newfound partnership may be about more than just survival.

Yuuichirou Hyakuya is finally reunited with his childhood friend Mikaela Hyakuya, whom he had long presumed to be dead. Upon their reunion, however, he discovers that Mikaela has been turned into a vampire. Determined to help his friend, Yuuichirou vows to get stronger so that he can protect Mikaela as well as the comrades in the Moon Demon Company. Kureto Hiiragi receives information that a large group of vampires will be gathering in Nagoya, preparing for their assault on the Imperial Demon Army's main forces in Tokyo. Led by Guren Ichinose, Yuuichirou's team is one of many selected to intercept and eliminate the vampire nobles. With the Nagoya mission quickly approaching, the members of Shinoa squad continue to work towards fully mastering their weapons, while learning how to improve their teamwork. Yuuichirou must gain the power he needs to slay the nobles and save his best friend, before he succumbs to the demon of the Cursed Gear. [Written by MAL Rewrite]

The Red Dragon Emperor, Issei Hyoudou, and the Occult Research Club are back in action as summer break comes for the students of Kuoh Academy. After their fight with Issei’s sworn enemy, Vali and the Chaos Brigade, it is clear just how inexperienced Rias Gremory's team is. As a result, she and Azazel lead the club on an intense training regime in the Underworld to prepare them for the challenges that lie ahead. While they slowly mature as a team, Issei will once again find himself in intimate situations with the girls of the Occult Research Club. Meanwhile, their adversaries grow stronger and more numerous as they rally their forces. And with the sudden appearance of Loki, the Evil God of Norse Mythology, the stage is set for epic fights and wickedly powerful devils in High School DxD BorN! [Written by MAL Rewrite]

When Ryuu Yamada entered high school, he wanted to turn over a new leaf and lead a productive school life. That's why he chose to attend Suzaku High, where no one would know of his violent delinquent reputation. However, much to Ryuu's dismay, he is soon bored; now a second year, Ryuu has reverted to his old ways—lazy with abysmal grades and always getting into fights. One day, back from yet another office visit, Ryuu encounters Urara Shiraishi, a beautiful honors student. A misstep causes them both to tumble down the stairs, ending in an accidental kiss! The pair discover they can switch bodies with a kiss: an ability which will prove to be both convenient and troublesome. Learning of their new power, Toranosuke Miyamura, a student council officer and the single member of the Supernatural Studies Club, recruits them for the club. Soon joined by Miyabi Itou, an eccentric interested in all things supernatural, the group unearths the legend of the Seven Witches of Suzaku High, seven female students who have obtained different powers activated by a kiss. The Supernatural Studies Club embarks on its first quest: to find the identities of all the witches. [Written by MAL Rewrite]