Huh — did you know Gong Hyo-jin and Jung Il-woo were good friends? Me neither. But thanks to their friendship, we get this special cameo by Gong in tomorrow’s episode of Flower Boy Ramyun Shop.

This particularly tickles my fancy given that this drama started out as an updated version of Biscuit Teacher Star Candy, which is where Gong Hyo-jin played a young teacher and Gong Yoo was her Cha Chi-soo. Kind of. (Ramyun Shop definitely diverged in its own direction after a few episodes of the school-centric, Biscuit Teacher-esque setup.)

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