I fall in love with you through a robot

An animated promotional video for the novel of the same title.
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The novel's story is set in the year 2060 with Tokyo's third Olympics close at hand. While a secret project using robots moves forward, notice of a terrorist threat arrives. The story's protagonist combats terrorism and aims to protect the heroine, to whom he has given his heart. Plot twists come one after another as the story unfolds to a moving conclusion.
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(Source: Anime News Network)