: The story focuses on the restoration of their bond through proximity and shared hardship. As they explore the labyrinth, the sister's repressed feelings and "bro-con" tendencies resurface in the intimacy of their new environment.
If you are a writer or game designer looking to use this premise, focus on: Moto Burakon Imouto to Idomu Isekai Meikyuu -RJ...
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