How did an anime skull become Gen Z's protest symbol?

Student activist Neha Bora's red T-shirt featuring a skull-and-crossbones symbol from Japanese manga and anime series 'One Piece' has gone viral. In the story, the symbol represents freedom and the crew's identity. Monkey D Luffy and his Straw Hat Pirates challenge the powerful World Government, depicted as oppressive. The symbol gained prominence during protests in Indonesia in 2025.