During the press conference for upcoming MBC drama, 'W' on July 18, Lee Jong Suk made a promise for viewer ratings.

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He hesitated at first, mulling it over with, "Before, they told me not to do this, but... Through 'W', I was able to do an MBC mini-drama for the first time ever. Also, it's my first production under my new agency. If I get over 20% viewer ratings, what do you think about all of the actors as well as the high-ranking executives of the production company and [the actors'] agencies doing volunteer service?"

Sounds great to me!  Good luck!