The last two ones could even upgrade the music box into a holographic projection device, and their prices were 100 and 200 gold coins, respectively. Mag lifted an eyebrow. "System, can I swear? I'd sooner buy a new one."
"You don't want to do that. If you insult me, you may trigger hidden missions," the system said seriously.
"Fine. You son of a gun." Mag nodded. He was a little tempted to choose the fourth one—a holographic projection device and the doll would be able to perform many dances. But the price made him hesitate. "I choose the first one," he said at last.
Money was of paramount importance right now. Amy was still very interested in the music box, and she hadn't learned the first song, so it wasn't necessary to upgrade it to a holographic projection device.
"10 gold coins has been deducted. Alteration is in progress, and will be finished in five minutes. The battery will be fully charged after the alteration," said the system.