'Book of the House of Gu' previously achieved its highest viewer ratings yet, and its now broken�its former record.

According to AGB Nielsen Media Research, the April 30th broadcast of 'Book of the House of Gu' achieved a 16.4% viewer rating, which beats its 16.3% viewer rating achieved last night.

Meanwhile, KBS 2TV's 'God of the Workplace' gave 'Book of the House of Gu' a run for their money by achieving a solid 14.5% viewer rating, which is a 1.0% increase from its previous viewer rating of 13.5%.

SBS' 'All About My Romance' fell behind with a 7.8% viewer rating which was a 0.4% decrease from its previous viewer rating of 8.2%. Luckily for loyal fans of this drama, SBS has denied the rumors of 'All About My Romance' cutting its run short due to poor viewer ratings.