Unbeknownst to the others, Akari had regained close to her full memories—near around the same time Keiko had; only pretending to still be a [Dumb Slut] in the meantime, so that Kiki could take charge.
Simply put, Akira felt she needed a break.
So much had happened recently, that she was running on fumes by this point; with Vash's death and Kanna's dismemberment having taken a far bigger toll on her than she would let on. Which was a large part of why, upon recent reflection, her handling of the monastery's chi trial takeover was so sloppy. In a situation that nearly could've ended in total disaster.
'Ah, but being a Hero is so tiring!' she mused to herself, while lying across the seat of one of the school cafeteria's long dining tables. Staring vacantly, up at the ceiling. 'Thankfully, Kiki seems to be doing alright, as my—temporary—replacement.'
Although...
'I don't trust that CITA girl one bit,' she thought to herself, abruptly serious.
