The fourth set of theater-goer giveaways for the blockbuster hit “Chikawa: The Secret of Mermaid Island,” based on the original work by Nagano, has been unveiled. A total of four types of mini charm figures—featuring Shima Jiro, Hitoha, Futaba, and a siren—making their debut as theater-goer giveaways, will be distributed at random at theaters nationwide starting September 5, 2026!