Tập 1: Touko đến thủ đô với một con chó của thợ săn lửa sau khi anh qua đời.

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In the future, an unspecified calamity has changed human physiology so that humans instantly combust when in the presence of natural fire. This has forced humanity to adapt by harvesting the blood of Fire Fiends to use as an alternate fuel source called bottled lightning. Collecting this blood is the responsibility of the elite Fire Hunters. One day, a young girl named Touko wanders into the forest and is attacked by a Fire Fiend. A Fire Hunter named Haijuu intervenes and is mortally wounded saving her. The Fire Hunter entrusts his dog, Kanata, to Touko before dying. Touko's guardians then instruct her that it is her responsibility to return Kanata and the Fire Hunter's belongings to his family, meaning she has to travel to the capital. Touko hitches a ride with a traveling collection truck and begins her journey to the Capital. Meanwhile, at the Capital, a young man named Koushi mourns the death of his mother when he receives a mysterious letter from the wealthy Okibi family. (Source: Wikipedia)