Sister's Slam Dunk
Episode 28 (1x28)
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Hong Jin-kyung, Min Hyo-rin, and Jang Jin are filming their "fake" documentary while the other cast members paint the interior of the restaurant. In consideration, Hyo-rin then invites actor Kwak Si-yang with whom she worked in Persevere, Goo Hae Ra, to help the remaining members.