Follows Issei Hyōdō, a dim-witted, lecherous second-year high school student who is killed by a girl on his first date ever. Issei is reincarnated as a devil, and from that day forward, he serves as an underling of Riasu, a high-level devil who is also the prettiest girl on Issei's campus.
The sudden death of Asia surprises Issei and makes him trigger Juggernaut Drive. While Rias and her household try to save him, Azazel and Sir Zechs meet the leader of the Chaos Brigade! What is her true intention for creating the organization?Watch Now:Amazon
Issei battles Vali and discovers hidden depths to his power as the Twin Sky Dragons face off.
The Occult Research Club fights Kokabiel and learns some shocking truths about the power struggle between the angels, fallen angels, and devils.
Time stops during the Leaders' Summit, and Issei and the others meet a new enemy.
The Occult Research Club takes over cleaning the pool to thank the student council for their help with Kokabiel, and Issei runs into a lot of trouble.
Issei must stop Rias by fighting against her. As she pummels him with attacks, Issei recalls various memories that he shared with her. Unable to leave Rias in such a state, he runs forward to bring back the regal and dignified Rias he remembers.Watch Now:Amazon
The Kuoh Academy students fight Kokabiel and his minions to defend their school and their town.
Issei wakes up to find that the battle is over, and he has lost. Rias and the others are at a party in honor of her engagement to Riser, but with some help from Grayfia and Asia, Issei decides to crash it, rescue Rias, and bring her home with him!
Issei meets Michael, the Chief of the Angels, and continues training Gasper in the days leading up to the Leaders' Summit.
Issei is back with Rias and Asia living in his house, and Kiba starts acting weird when he sees a picture of a holy sword at Issei's house.
Rias and her household leaves the fighting of the Chaos Brigade to the adults as they rush toward the temple to save Asia. There, Diodora replaces the Rating Game with a little game of his own. They must fight against his forces to get Asia back!
Issei learns more about the feud between the Twin Sky Dragons and Rias and Sona have to deal with troublesome family members at Open House.Watch Now:Amazon
Issei and the others team up with the church to fight Freed, but an even greater enemy appears.
The Rating Game continue where Rias's Queen is defeat. Issei's Boosted Gear with the help of Kiba's power take out the rest of Raiser's pieces. Rias forfeited to save Issei from Raiser.
The time for the start of the Rating Game arrives, and the contestants are transported to a battlefield in an alternate dimension. While Asia and Rias remain at their base, Issei and Koneko face the opposition, and Issei reveals his new signature move.
Issei and Kiba fight Xenovia and Irina, and Issei tries to deal with the consequences of their fight.
Issei gets another warning about the white dragon, and church followers bearing Holy Swords pay a visit to the devils.
Issei begins to train in an isolated area under the watchful eyes of Rias as they prepare for the rating game as Raiser Phenex decides to hold it in ten days.
Diodora continues to pester sweet Asia as the Rating Game approaches. Issei and the others prepare for battle as dark things brew in the background. When the Gremory household jumps to the field, they find themselves in an unexpected battle!Watch Now:Amazon
The other Bishop of the House of Gremory is released, and Akeno takes Issei to meet a new acquaintance.Watch Now:Amazon
Asia saves Issei by healing the dragon within him after his incomplete transformation. Finally, they all make it back home and enjoy their peaceful days. After Loki fails with Issei, he turns his evil grasp toward Rias.
Issei and the others begin their training to improve each of their skills. All the while things are happening around them as powerful people gather to fight against the Chaos Brigade. All the young devils gather in one place.
Issei and the others are back to school and their daily lives. Irina and Rossweisse both start to live at Issei's house and the sports festival is fast approaching. During all of this, Diodora Astaroth appears before Asia and proposes to her?!
Rias decides that it is time for Issei and Asia to have servant familiars. The school's student council visits the club room, and Issei learns that they are another faction of devils. The two groups compete to see who gets first pick of the new familiars.
With Loki defeated, Rias and her household return to the human world to finish up their last days of summer. A pile of homework awaits Issei, but he goes on a date with Akeno instead! Akeno throws herself at Issei, hoping to forget her terrible past.Watch Now:Amazon