A Liar! Usoland on the Run!

あらすじ

With the Tontattas beaten, Robin turned into a toy, and Luffy, Franky, and the others busy elsewhere, Usopp is the last hope for Operation SOP! But will he be able to muster the confidence and courage to face the terrible Trebol? Among the cries of the Tontattas, Usopp has a difficult decision to make - run and fight another day or face his own doom and challenge Trebol!