TOKYO -- The Demon Slayer money machine continues to churn out profits while creating its own lucrative ecosystem.
Companies cash in on marketing tie-ups with blockbuster brand

The animated film "Demon Slayer: Mugen Train" has grossed over 25 billion yen. (Photo by Shihoko Nakakoka)
TOKYO -- The Demon Slayer money machine continues to churn out profits while creating its own lucrative ecosystem.