#1: Oppai, Minorimasu! (Episode 13) A rumor is going about the school about how girls are disappearing and coming back ill and with their breast size decreased. #2: Oppai, Motomemasu! (Episode 14) While observing how the others do their jobs so they can do theirs better, Issei and Asia go with Rias to see if a coffin is cursed. During the investigation Issei is possessed by an Egyptian magician named Unas, It just so happens that Unas is just as perverted as Issei. Unas will only leave Issei's body if they can release Unas from the curse placed on him by a devil that Unas tried to make his bride.

After rescuing his former classmates from the perils of a labyrinth—a mythical place that grants a divine magic to whosoever triumphs over its trials—Nagumo Hajime emerges victorious, while the new heroes of the fantasy world Tortus must face their first major failure. Together with his traveling companions and the new team member Kaori Shirasaki, Nagumo resumes his journey to conquer all labyrinths and eventually return to his original world. Meanwhile, the heroes from Earth try learning from their mistakes and prepare for the demon army's invasion. As the final confrontation looms closer, new and old enemies start setting their evil plans in motion. Once more, Nagumo must prove that he can prevail against the most formidable opponents, all while protecting the ones he holds closest to his heart.

Rimuru Tempest is victorious following his climactic showdown with Demon Lord Clayman. With Diablo's aid, the war with the Falmuth Kingdom ends decisively in Rimuru's favor. Fueled by increased migration and the integration of Jura Forest, the nation of Tempest undergoes rapid growth. Rimuru's victory shifts the balance of power, giving rise to a renewed period of peace—but whether that peace will last is another matter. Yuuki Kagurazaka and Kazalim are conspiring with the Harlequin Alliance to bring about Rimuru's downfall. Furthermore, the Western Holy Church continues its intolerant crusade against Rimuru and his non-human subordinates. Both allies and enemies engage in a battle of wits, carefully advancing their agendas without shattering the delicate status quo. But once the first domino inevitably falls, the race to supremacy begins.

After many trials and tribulations, Iruma Suzuki is finally happily living among demons despite having to hide his true identity as a human. Even more so, he has now found his ambition in life: keep ranking up in this world! However, that plan is halted when Iruma's club is temporarily dismissed, and he is forced to be part of the student council, known for its strictness toward rowdy students. Its cold-hearted president is Amelie Azazel, Iruma's friend. Although Iruma is not used to following their rigid schedule and many rules, he still wants to prove himself and help Amelie alongside all of the other members of the council. But trouble arises when Amelie's personality completely changes due to strange circumstances, putting the student council's reputation in jeopardy. Will Iruma be able to save them and avoid having the whole school turn into pure chaos?