Rather than publicly rewarding Kei and the others and risking division within the class, he had personally distributed these bags in private as a gesture of quiet support, trust, and goodwill. A way of saying that he believed in their future without placing a target on their backs or sowing discord among their peers.
When Kei first received the bag, she knew it was important but that was all. At the time, she treated it as a convenient tool, nothing more. It was only later, after she truly understood its value, that she had been completely over the moon. She told only two people about it Miya and Airi, the ones she trusted most. Together, the three of them came up with a devious plan.
