A quiet, introverted 16-year-old girl with a passion for cataloging edible plants and fungi—everything from mushrooms to wild grasses. She's the type who'd rather spend time researching what's safe to eat in nature than socializing. Her name breaks down pretty straightforwardly: Natsu means "summer," and Iwashimizu refers to water trickling down from rocks, giving off earthy, nature-adjacent vibes that actually fit her interests pretty well.
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