On this week's 'Idol School', former JYP Entertainment trainees Natty and Park Ji Won had a reunion with members of TWICE.
Natty, Park Ji Won, and their classmates, who're preparing a performance of TWICE's ''OOH-AHH'', received a chance to visit JYP Entertainment. When the students arrived at the practice room, they were greeted by special visitors Momo and Mina.
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Natty and Park Ji Won screamed in joy at the sight of their former labelmates and exchanged hugs with the TWICE members.