Darling in the Franxx 1

In a distant future, Earth has transformed into a desolate wasteland. The last survivors have found refuge in mobile fortresses and now place all their hopes in the Franxx - oversized robots that fight the malevolent Klaxosaurs. Among the pilot candidates for those Franxx was once the young Hiro, who was praised for his abilities as a "prodigy" - only to ultimately fail miserably at the suitability test. However, when he accidentally encounters the mysterious elite pilot Zero Two, his life takes a fateful turn...