Inuyasha the Movie 4: Fire on the Mystic Island

The mysterious island of Houraijima reappears every fifty years, bringing with it the Shitoushin. These four powerful beings hold several half-demon children captive, using them to maintain their own strength. When one girl manages to escape the island and find help, Inuyasha and his companions join her to rescue the remaining prisoners. Both Inuyasha and Sesshoumaru share a past connection with these entities, having been marked by them during a previous appearance of the island. The group must fight the Shitoushin and a clone of Kikyou to liberate the captives.

This Japanese fantasy adventure was produced by SUNRISE and directed by Toshiya Shinohara. It is the fifth film in Shinohara's career, following three previous Inuyasha movies and one Anpanman film. The voice cast features Kappei Yamaguchi, Satsuki Yukino, Koji Tsujitani, Houko Kuwashima, Kumiko Watanabe, and Noriko Hidaka, with a total of 22 credited cast members. The screenplay was written by Katsuyuki Sumisawa.

The film earned 6 million USD at the worldwide box office. It has a rating of 7.6/10 on TMDB based on 120 votes.