The revelation recontextualizes the Strelitzia 's true power, which is unlocked only when the two pilots share a genuine, deep-seated emotional bond.
The episode is structured primarily as a flashback, triggered when Hiro connects deeply with Zero Two’s consciousness during a chaotic battle. Darling in the FranXX Episode 13
Upon their recapture, both children have their memories erased by the adults, explaining why they didn't initially recognize each other at the start of the series. Themes and Symbolism Darling in the FranXX Episode 13