There ought to be quite a number of five hundred yen coins inside, no?And among all those, a single five yen coin?
Why... does this feel heavier somehow...?
Logically speaking.
She can tell something's off just from the mere 3.75 g of a 5 yen coin! Bet she can identify the specific coin too from the materials alone, like by how it clinks! That's Eishin Flash for ya!
Surely she can't be serious!?
T-That's not possible. It can't be...
Here it comes, it comes!!
The moment we've been waiting for!!
It's virtually impossible for her to tell the difference.