```
"Ah, I really didn't expect Doraemon to be so stingy," Chen Ze muttered, curling his lip. No matter what he had just said, Doraemon was unwilling to give him the If Phone Booth, after all, giving something that could easily change the world to an adult was still very worrying.
"You're not Nobita, and when I'm with Nobita, I can still keep an eye on him. But with you, I can't be sure it's safe," Doraemon flatly refused Chen Ze's request, which left Chen Ze quite disappointed.
"But the outcome was still good, after all, to tell the truth, I didn't expect to get this thing," Chen Ze said, looking at the SCP-500 in his hand with a satisfied smile.
In the end, Chen Ze still managed to swap with Doraemon for the Multiplying Potion, but there were a lot of conditions, and Doraemon had to be the one to apply the drops himself, and then personally control the amount.
