Inuyasha the Movie 2: The Castle Beyond the Looking Glass

The story takes place across two distinct settings: feudal Japan filled with yōkai (demons) and a modern-day Japanese town. Key locations include a mountain castle near Lake Motosu, Mount Fuji, and ordinary places like a photo booth that serves as a portal between timelines.

The film unfolds across two time periods, feudal Japan and modern-day Japan. These parallel timelines intersect when Kagome crosses into Inuyasha's era, and both are threatened by Kaguya's scheme to plunge the world into eternal night.

Kaguya appears as a self-styled Princess of the Heavens who emerges from a magical mirror. She is ultimately revealed to be a demon who absorbed the real Princess Kaguya, and she seeks ultimate power through collecting five items while attempting to trap the world in permanent darkness.

Naraku serves as the primary antagonist, appearing both directly and through his various incarnations. He manipulates events from within Kohaku's body, seeking immortality by absorbing Kaguya's power while pursuing the Shikon Jewel shards.

Kagura is one of Naraku's incarnations, wielding wind magic. Unlike other puppets controlled by Naraku, she actively seeks freedom from his influence and often operates alongside or against Kaguya's plans, making her a morally complex character.

Kanna is Naraku's quiet puppet, characterized by her reflective mirror. Her presence is central to Naraku's schemes involving the mirror's magical properties, and she maintains an enigmatic calm throughout the conflict.

Kohaku is a young boy who was once controlled by Naraku as a puppet. After being freed, he returns to his village suffering from amnesia. His vulnerability and gradual memory recovery become emotionally significant for Sango, who sees him as a younger sibling figure she aims to protect.

Miroku is a monk who wields a powerful wind-based sealing technique called the Wind Tunnel. He is plagued by a family curse tied to this ability, which creates urgency for him to pass down his knowledge to a worthy heir before the curse claims him.

Kagome serves as the anchor between feudal and modern Japan. As a schoolgirl from contemporary times, she crosses into Inuyasha's era through mystical means, bringing the Shikon Jewel shards with her. She uses a protective locket and makes significant sacrifices to shield Inuyasha, driving the emotional core of the story.

Kaguya's plan to freeze the world into eternal night poses the central threat. She intends to drown the world in perpetual moonlit darkness, which would affect both the feudal and modern eras. The heroes must restore the flow of time by defeating both Kaguya and Naraku to prevent this world-ending scenario.

Time serves as the central theme, with Kaguya's eternal night threatening both eras and artifacts that control time playing crucial roles. The narrative emphasizes restoring the flow of time as essential to the resolution, making temporal balance a core conflict throughout the film.

Freedom is a key theme embodied by multiple characters: Kaguya seeks escape from her mirror prison, Kagura desires liberation from Naraku's control, and Kohaku's recovery represents breaking free from manipulation. These parallel pursuits of autonomy shape the characters' decisions and alliances.

The film emphasizes that cooperation across two worlds enables the group to overcome individual limitations. Inuyasha, Kagome, Miroku, Sango, Shippo, Kohaku, and their allies unite to retrieve five items and defeat both Naraku and Kaguya, showcasing how diverse strengths combine to counter formidable threats.

The Shikon Jewel shards are powerful magical remnants that drive much of the conflict. Kagome brings them into the feudal era, and both Naraku and Kaguya seek to acquire them as part of their schemes for immortality and ultimate power.