As the Fourth Holy Grail War rages on with no clear victor in sight, the remaining Servants and their Masters are called upon by Church supervisor Risei Kotomine, in order to band together and confront an impending threat that could unravel the Grail War and bring about the destruction of Fuyuki City. The uneasy truce soon collapses as Masters demonstrate that they will do anything in their power, no matter how despicable, to win. Seeds of doubt are sown between Kiritsugu Emiya and Saber, his Servant, as their conflicting ideologies on heroism and chivalry clash. Meanwhile, an ominous bond forms between Kirei Kotomine, who still seeks to find his purpose in life, and one of the remaining Servants. As the countdown to the end of the war reaches zero, the cost of winning begins to blur the line between victory and defeat. [Written by MAL Rewrite]

Struggling yet brilliant teenager 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. [Written by MAL Rewrite]

The awkward lovebirds, Yuuta Togashi and Rikka Takanashi are now living together as they enter a new school year, but their adorable relationship remains stagnant. Yuuta struggles to adapt to having a chuuni girlfriend while the gang—Sanae Dekomori, Shinka Nibutani and Kumin Tsuyuri—are still keeping up with their quirks despite having advanced a grade. Making matters worse, another chuuni girl from Yuuta's middle school, Satone Shichimiya, appears... With the various events revolving around Yuuta, will he be able to develop his relationship with Rikka? [Written by MAL Rewrite]

After last season's revelations, the Souma family moves forward, but the emotional chains that bind them are not easily broken. Unable to admit why she wants the cure, Tooru wrestles with the truth, aware that time is running out for someone close. And a secret still lurks that could break another's heart. But hope is not lost—a clue to the curse is found. Could their imprisonment's end be near? (Source: Funimation)