"Rubber Fruit? Impossible, impossible, there is no such thing as a Rubber Fruit in the ancient Devil Fruit encyclopedia," Vegapunk muttered, frowning at Nami's explanation before fixing his gaze intently on Luffy, his brain racing at lightning speed.
"There's no Rubber Fruit? How can that be?!"
"Yeah, Luffy always goes *Gomu Gomu* this and *Gomu Gomu* that," Usopp said, disbelief written all over his face.
Chapter 348