Just localized the translation, didn't want to get rid of that educational little note though. Kudos to whoever threw that up there.
...Eh...Haah...Oji-san~ ♥
After this, as you promised...Ah... Aah... 30000 Yen, right... Uh.I have an amulet coin, so pay me twice that, okay? ♥
Koban charm = Amulet coin. A koban is an oval Japanese gold coin from the Edo period. In Pokemon games, if you win a battle using a Pokémon equipped with an amulet coin, you earn double the money.Haah...