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PD Park Sang Hyuk told Newsen on the 12th, "KARA's Hara visited 'Roommate'... Since Youngji joined 'Roommate' within a month into her debut, [Hara] came to cheer her on. Although she wasn't there for a long time, Hara is also close with Sunny so it was a fun filming."

So it seems viewers can also look forward to the 'Invincible Youth' reunion of Hara and Sunny! Hara's visit will be shown on the November 25th episode!