After taking down Baruyereita, one of the Three Great Aristocratic Lords, Aoko had also spent quite a few spell slots, so there was no need to remain within the Clock Tower's territory for the time being.
Having suffered such a heavy blow, the Clock Tower's magi might react in one of two ways, Aoko estimated.
The first would be to lock down all of London and refuse to rest until they found Aoko and Touko.
That was the more extreme possibility. Considering the current level of force permanently stationed at the Clock Tower, completely falling out with a Magician who could come and go freely within the Clock Tower and burn glass was probably not a rational choice.
The second possibility was that they would pretend nothing had happened on the surface while secretly searching for the Aozaki sisters' whereabouts and attempting to contact them discreetly.
After discussing it, Aoko and Touko considered this the most likely outcome, because a magus's greatest principle was concealing themselves, while the stealthiness of Aoko's smooth cleanup combo could practically be said to be nonexistent.
Therefore, the smartest thing for the Clock Tower to do now was revoke the Sealing Designation bounty on Touko's head and send someone to reconcile with Aoko. That way, aside from the Baruyereita family, whose patriarch and building had both been destroyed, everyone else could be considered pleased with the outcome.
After all, magi were selfish, ruthless, and cunning creatures. In an era when Mystery was declining, one less great aristocratic family meant everyone remaining could get a larger slice of the cake.
Moreover, although Inorai Baruyereita Atorohomu, whom Aoko had killed, was one of the Three Great Aristocrats, the Baruyereita family stood with the Democratic faction.
Then, with this "aristocratic traitor" having been eliminated, the ones happiest about