Cheer Up - Season 1 Episode 8 Sun-ho's Weakness
Overview: Everyone has their own weakness, and so does Sun-ho. Although he is trying to find his own soft spot just to get Hae-yi’s attention, he actually realizes how hurt he is from it. Meanwhile, Jung-woo confronts Jae-min for what he did. He comes clean with the messages he sent but denies everything else. It turns out the sabotages are not done by a single person.