Princess Cromwell and Her Six Brothers
The captain hurriedly said, "There's one more clue. According to our investigation, these missing people were all born on pure yin dates, meaning they were born in a yin year, yin month, and yin day."
Cloudwalker, who had been sitting, suddenly stood up: "What? Yin year, yin month, yin day?"
The captain was startled by the sudden reaction and double-checked, "Y-yes, Master Cloudwalker, is there something really wrong with this clue?"
Cloudwalker seemed to mutter to himself, "That guy probably made a move again, gathered ten people born on a yin year, yin month, and yin day, and used dark magic to boost himself by taking yin and giving yang."