Night is the perfect boyfriend: charming, dependable, intelligent, athletic, good-looking, sensitive, devoted, and completely loyal. Because he is unaware of certain social conventions, he often seems over-the-top and attracts a lot of attention. Although he is a robot, albeit of a high-caliber design, he seems to have genuine emotions and to want to become more human and be a better boyfriend to Riiko. He wears a mood ring that indicates Riiko's emotions.
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