Struggling yet brilliant 19-year-old Minato Sahashi has failed his college entrance exams for the second time, resulting in him being regarded as worthless by those around him. However, the course of his seemingly bleak future is altered dramatically when a beautiful, supernatural woman falls from the sky and into his life. That woman, Musubi, is a unique being known as a Sekirei, a humanoid extraterrestrial with extraordinary abilities. These aliens are known for kissing humans carrying the Ashikabi gene in order to awaken additional latent powers deep within. Recognizing the potential within the seemingly insignificant youth, Musubi kisses the bewildered Minato, initiating a bond between the two of them. This drags him into the high-stakes world of the Sekirei, where he and his new partner must compete against others in a battle for survival called the Sekirei Plan. However, unbeknownst to the contestants, there is far more at risk that what the competition initially entailed.

Natsume Yuujinchou San follows Takashi Natsume, a boy who is able to see youkai. Natsume and his bodyguard Madara, nicknamed Nyanko-sensei, continue on their quest to release youkai from their contracts in the Book of Friends. Natsume comes to terms with his ability to see youkai and stops thinking of it as a curse. As he spends more time with his human and youkai friends, he realizes how much he values them both and decides he doesn't have to choose between the spirit and human worlds to be happy.

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.

As Mikado Ryuugamine continues to purge the Dollars from within in accordance with his warped sense of justice, Masaomi Kida hopes to bring his friend back to his senses by bringing the Yellow Scarves together once more. Little do they know that a far more dominant force is about to enter their struggle for power, one that their friend Anri Sonohara is all too familiar with. Meanwhile, the group that has gathered at Shinra Kishitani's apartment realizes that they are on the brink of something life-changing, an event that will throw Ikebukuro into a spiral of confusion. Their anxiety is realized when reports of Celty's head being found in public start to appear all over the news as Kasane Kujiragi begins to make her move. Gone are the brief periods of tranquility as the current turmoil sets the stage for one final performance in this thrilling conclusion to the story of Ikebukuro's finest.