You rush into the Fragmentum to avoid getting caught. How come things went downhill so quickly? March 7th has no clue — she's written as an innocent and sweet teenage girl after all.
Despite the initial shock, you quickly agree on the course of action: Find the way out of the Fragmentum first. Everything else can wait.
Being blocked by a second gate while trying to escape is so cliche... However, there are monsters wandering around the gate switch this time.
Defeat the monsters and clear the stage!