The superfan culture involves doing everything you can to be closer to your idols - often through concerts, merchandise, and streaming support.

And now oshikatsu is being praised by some economists for helping pull Japanese retail sales out of a long slump.

Figures suggest the role of fan purchasing power has boosted Japan’s annual retail turnover by 2%.

But what is so different about the way of supporting our heroes that has created such growth?

Produced and presented by Rick Kelsey

(Image: Anime and game fans attend the 105th ComicMarket Show in Tokyo, Japan, December 2024. Credit CFOTO/Future Publishing via Getty Images)