Saori Mugino (played by Sakura Ando) is a protagonist in Monster.
Single mother of fifth grader Minato. Highly protective and suspicious of teacher Michitoshi Hori after Minato exhibits distress. She confronts the school faculty and Hori directly, leading to Hori's temporary firing. Later, she partners with Hori to search for the missing Minato in an abandoned train tunnel. Minato Mugino (played by Soya Kurokawa) is a protagonist in Monster.
Fifth-grade student and Saori's son. His behavioral changes stem from a secret romantic bond with classmate Yori and a need to protect him from bullies. He struggles with guilt over his deceased father and his own identity, ultimately escaping with Yori to an abandoned railcar hideout. Yori Hoshikawa (played by Hinata Hiiragi) appears in Monster.
Classmate of Minato who is bullied for his asocial behavior. He shares a deep romantic relationship with Minato, which adults misinterpret as bullying. Suffering under the abuse of his alcoholic father, he is found injured during a storm and escapes with Minato to find safety. Michitoshi Hori (played by Eita Nagayama) appears in Monster.
Minato and Yori's fifth-grade teacher. Initially suspected of abuse, he is unfairly forced to resign by school administrators protecting their reputation. After discovering the boys' true relationship and the abuse they face, he seeks forgiveness and helps Saori locate the missing children in a tunnel.
Monster (2023) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Saori Mugino
(played by Sakura Ando) — protagonist
Single mother of fifth grader Minato. Highly protective and suspicious of teacher Michitoshi Hori after Minato exhibits distress. She confronts the school faculty and Hori directly, leading to Hori's...
Minato Mugino
(played by Soya Kurokawa) — protagonist
Fifth-grade student and Saori's son. His behavioral changes stem from a secret romantic bond with classmate Yori and a need to protect him from bullies. He struggles with guilt over his deceased fathe...
Yori Hoshikawa
(played by Hinata Hiiragi) — supporting
Classmate of Minato who is bullied for his asocial behavior. He shares a deep romantic relationship with Minato, which adults misinterpret as bullying. Suffering under the abuse of his alcoholic fathe...
Michitoshi Hori
(played by Eita Nagayama) — supporting
Minato and Yori's fifth-grade teacher. Initially suspected of abuse, he is unfairly forced to resign by school administrators protecting their reputation. After discovering the boys' true relationship...
