Remember how two undetermined IOI members were going to film 'Hello'?
The two members have already filmed the episode, and it's none other than Choi Yoojung and Zhou Jieqiong! The pair of them were guests on the show along with Son Ho Young, Moon Ji Ae, and Jung Woo Yeol.
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The episode will air this coming Monday, so make sure to keep your eyes out for it!