Iketani missed an opportunity to see Mako-chan and hates himself for never calling to say he was sorry. By chance he runs into her 6 months later, and the situation is awkward. Iketani does not have time to talk at that moment, but both want to talk, so they arrange a second meeting. Iketani goes to the meeting place early, but an old man was left behind from an tourist bus, and asks Iketani to catch the bus for him. Iketani being a nice guy, so he can't say no.

High school student Issei Hyoudou is your run-of-the-mill pervert who does nothing productive with his life, peeping on women and dreaming of having his own harem one day. Things seem to be looking up for Issei when a beautiful girl asks him out on a date, although she turns out to be a fallen angel who brutally kills him! However, he gets a second chance at life when beautiful senior student Rias Gremory, who is a top-class devil, revives him as her servant, recruiting Issei into the ranks of the school's Occult Research club. Slowly adjusting to his new life, Issei must train and fight in order to survive in the violent world of angels and devils. Each new adventure leads to many hilarious (and risqué) moments with his new comrades, all the while keeping his new life a secret from his friends and family in High School DxD! [Written by MAL Rewrite]

Kumiko Yamaguchi is smart, enthusiastic, and ready to start her dream job as a math teacher at Shirokin Academy. But as her first day opens on atrocious students and cowering teachers, Kumiko realizes that the all-boys high school is a cesspool of delinquents with no intention of improving themselves. However, what her rowdy students don't know is that behind her dorky facade, Kumiko is the acting head of a powerful yakuza clan, and she has the skills to prove it! Capable of overpowering even the strongest of gangsters in seconds, Kumiko must keep her incredible strength and criminal influence a secret in order to keep her job. Unfortunately, with the vice principal constantly trying to get her fired and Shin Sawada, the leader of her class of delinquents, suspecting she's stronger than she lets on, Kumiko has a difficult teaching career ahead of her.

In the name of the king, the Valiante Kingdom launched hunts to exterminate users of witchcraft. Seventeen years later, their pursuit is still growing in both size and brutality. Unbeknownst to the citizens, the targets of these witch hunts are the secret protectors of humanity. Known as the Makai Knights and Alchemists, they have a strong will to protect people from Horrors, demons who possess souls plagued by sadness and pain. One such Makai Knight is 17-year-old Leon Luis who inherits the legendary armor of the Golden Knight Garo from his mother. Though he possesses great power, he struggles to overcome the hatred he bears from his mother's death at the hands of the kingdom. His father German, known as Zoro the Shadow Cutting Knight, is still training Leon when he is called to investigate the upsurge of Horrors in the kingdom's capital. Although German knows Leon's will is wavering, he decides to bring Leon along to continue his training. As German and Leon head to the capital, the king's amiable son Alfonso San Valiante struggles to find a solution to the growing Horror threat. But before he can do so, he is double-crossed and banished from his own kingdom. To return home, Alfonso sets out to find the help and strength he needs to reclaim the throne. During his search, he comes across Leon, whose interactions with the prince will forever change both of their fates. [Written by MAL Rewrite]