For Want of a Dry Wing

In which Origin, thanks to the battle against Z and the damage from it, encounters an error which tosses an unprepared High Entia into a world both unfamiliar and yet eerily familiar at the same time. Are her friends safe? Are they in this strange new setting with her? And why does the Queen of Agnus look so young, and talk so abrasive? AKA Eunie accidentally time-travels to XC2.