Once the credits had been paid in full, Dark began helping Senior Pandora tidy up the laboratory.
According to the Academy's rules, students were free to trade with one another, but it had to be an exchange of equal value.
Of course, there was a certain margin of ambiguity in what counted as "equal value."
And if it was "unequal," they could opt for a loan, though the restrictions on loans were also clearly laid out in the school rules.
In short, every transaction conducted through an Academy Card was clearly recorded, minimizing unfair trades as much as possible.
Under normal circumstances, the Academy would not investigate them. But at the end of each academic year, when evaluating the Academy Cup, it would tally every student's credits, and some blatantly unfair transactions would be exposed.
Following the principle of refunding excess and making up shortages, some students might suddenly find themselves saddled with enormous debts, while others might receive a windfall.
At around three-thirty, the two finally emerged from the laboratory.
But the dormitory tower's access restrictions would not be lifted until five in the morning, so there was no way they could get in at this hour.
"Since we're already up this late, why don't we find somewhere to stargaze?" Pandora suddenly suggested.
Dark discreetly glanced at the sky, where not a single star could be seen, then said, "How about the rooftop?"
"Not a bad spot." Pandora's gaze shifted slightly, tinged with nostalgia.
Of course, she had not forgotten the time she and Dark had eaten barbecue atop the Castle.
Even without barbecue, lying on the Castle roof for a while sounded rather nice.
"Oh, right. You already have a 'Flight Spell,' don't you? Then let's go straight up."
After saying that, Pandora hoisted her backpack, leaped onto