India, Oct. 15 -- A red T-shirt worn by student activist Neha Bora during a Delhi protest has gone viral for its skull-and-crossbones symbol from One Piece, a Japanese manga and anime series whose pirate flag has become a symbol of youth-led protests across the world.

Bora, national president of the All India Students' Association (AISA), wore the T-shirt during the October 10 protests over the Special Intensive Revision (SIR) of electoral rolls and demands for Chief Election Commissioner Gyanesh Kumar's resignation. Protesters alleged irregularities in the revision process.

The flag belongs to the Straw Hat Pirates, a fictional crew led by Monkey D. Luffy, whose adventures revolve around freedom, friendship and challenging powerful, op...