Five Enough

Episode 21 (1x21)

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Mi-jung is anxious because of Seong-hee, who aggressively expresses her feelings for Sang-tae. She even happens to help her work until late at night with Sang-tae. Sang-min has a hard time as he cannot easily get over Yeon-tae. Yeon-tae also thinks about Sang-min while reading the texts they've exchanged so far. Min-ho sees Tae-min walking Jin-joo home and gets infuriated.