Rindou Hotaru's outfit in "Qualidea Code" consists of a white and red sailor-style school uniform with a short red skirt, a white blouse, and a red necktie. She also wears a red jacket with white accents and a white belt around her waist. Hotaru has long black hair and usually wears it loose with a red hairpin on the side. She also wears knee-high white boots with red accents. Overall, her outfit is stylish and practical for combat situations.

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