Jeongyeon, Jihyo and Mina are childhood friends who promised to marry each other when they were 6 which everyone laughed off then. But now that they're in high school everyones thinks that maybe they weren't kidding.

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When you're 5 everything you say is just super cute to adults, funny even. So when Jeongyeon comes into her house with Jihyo and Mina trailing behind her saying;

“I'm gonna marry Jihyo and Mina!”

“ Its gonna be the biggest awesomest wedding cuz instead of 2 people there will be 3" said Jihyo her eyes twinkling at the thought of the big wedding.

“I heard planning weddings can be stressful” Mina said in her quiet voice that had the Yoos almost leaning in to catch what she had said.

They just laughed it off watching the girls go up the stairs to Jeongyeon's room.

What got that idea into their head?