Haruno is Yukino's older sister and honestly outshines her in pretty much every way. The key difference though? She's actually nice to people—or at least, she knows how to act like it. Fans often note that she's constantly performing, masking her real thoughts behind a friendly smile. It's unclear how much of what she shows the world is genuine, but she's clearly skilled at reading the room and saying what people want to hear, even when it costs her to do it.
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