Subaru Natsuki finally gets to take a breather, but he does not waste any time as he prepares for a date with his beloved Emilia. He scouts the nearby village for the right dating spot, and with the help of the village children, he finds a wonderful location. With that, he is well prepared for his date! Unfortunately for Subaru, cold weather suddenly sweeps across Roswaal's mansion on his important day, leaving him with no choice but to postpone the date. Overnight, it becomes even colder and unbearable. Subaru must get to the bottom of this because, at this rate, his date will be the least of his worries. [Written by MAL Rewrite]

At the end of the 21st century, the discovery of a new energy source called "DG energy" (short for "divine grace energy") has revolutionized Earth's economy and allowed humanity to colonize space. However, when the initial expedition reaches Pluto, they are attacked by a mysterious, giant life-form known as "Nergal." The Earth Alliance Army fights back by creating an "AG Unit" using ancient robot weapons known as the "G's Frame" which were excavated from archaeological sites all around the world. Girls with special qualities known as "Ancient Girls" can pilot these robots against the Nergal. However, the first AG Unit suffers heavy casualties in the Jupiter Trojan campaign, and the pilot of Unit 04, Minamiya Reiu, goes missing-in-action... Years later, Minamiya Reika, the younger sister of Reiu, enlists with the AG Unit to search for her sister and to protect the Earth from the Nergal. A story of friendship, ancient robot weapons, and battles to the death with the Nergal ensues. (Source: Crunchyroll News)

Second season of .

As college entrance examinations draw near, two students living completely different lives decide to enroll in Z-Kai, a correspondence education service. Balancing their studies with their daily lives, the two diligently work towards their goal, unaware of how much they share in common. Will their hard work pay off and bring about the success they desire? [Written by MAL Rewrite]