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Lloyd had discovered the ink letterings on Kai's inner forearm one evening at dinner. It looked like two words or names, written on the skin in the Master of Fire's messy handwriting. It wasn't tattooed, Kai had outright said that he had never gotten a tattoo in his life. If anyone knew, it would be Nya, she was his sister after all and that was why he was standing outside the Master of Water's room.
"Nya," the Green Ninja said, entering the room.
"Hi Lloyd, what's up?" she asked, putting her pen down and closing her notebook.
"Why does Kai have two names written in ink on his forearm?" he asked, a strange expression passed over Nya's face but was gone before he could get a good read on it before she spoke.
"Honestly, I'm surprised it took you this long to notice. He's been doing it - writing names on his arm, I mean - for as long as I can remember. He does them in waterproof ink, not tattoo ink," she paused to breathe, "and are the names of the people he trusts with his life, yours was the second and the only other one apart from mine,"
"Wait, really? How do you know?" Lloyd asked.
"Lloyd, I'm Kai's sister," Nya said it like it was the most obvious thing in the world, which it so definitely was. "He originally wrote mine not long after our parents dissap - were taken," she added, tone near a whisper.
It took a moment but the bits and pieces eventually fell together. Oh.