FranXX

FRANXX is a fictional mecha weapon featured in the anime series Darling in the Franxx. These biomechanical weapons are the primary means of defense against the Klaxosaurs, monstrous creatures that have driven humanity to the brink of extinction. Each FRANXX is piloted by a male-female pair, referred to as a "parasite" and "stamina pilot." The male pilot, known as the "stamina pilot," controls the movement and core functions of the FRANXX, while the female pilot, the "parasite," pilots the weapon and provides its offensive capabilities. The connection between the pilots is deeply intimate and directly influences the FRANXX's performance in battle, with their emotional state and synchronization being crucial.

The design of each FRANXX is unique, often reflecting the personality or abilities of its pilots. They are powered by a mysterious energy source and possess a wide array of weaponry, ranging from energy cannons and swords to specialized melee attachments. The series explores the philosophical and societal implications of this intimate piloting system, as well as the pilots' struggles with their identity and purpose in a world dominated by war. The FRANXX themselves are depicted as powerful but also demanding, requiring immense concentration and emotional resonance from their pilots to operate effectively. Some FRANXX units are particularly powerful and play significant roles in the overarching narrative of the series.