Tetsumin

Miro Takizawa grew up on Sasaraijima, a quiet island surrounded by mountains and sea. In her first year of high school, she experiences typical teenage challenges, including forming relationships and navigating social interactions. Her calm life is disrupted when she uncovers the existence of the "Tetsu-min." These unsettling beings pose a threat to the island's residents, revealing hidden dangers that challenge the tranquility of Sasaraijima.