Actor Ryu Soo-young of "Problem Child in House" has risen to become a best-selling author with the publication of his cookbook.

In the afternoon broadcast of KBS 2TV's entertainment program "Problem Child in House" on the 14th, Ryu Soo-young, who gained attention for his super simple home cooking recipes as "Teacher Eonam," appeared as a guest.

Ryu Soo-young mentioned his cookbook, and Song Eun-yi said through calculations, "Even with rough estimates, the royalties exceed 100 million won." Ryu Soo-young expressed a deep affection for his cookbook, confessing, "The preparation took 4 years."

He explained that cooking is "something that goes into your mouth," so he spent a lot of time meticulously verifying the recipes to ensure there were no errors.

Ryu Soo-young also conveyed his wife Park Ha-sun's reaction. He said, "She said it turned out well. She jokingly asked, 'Didn't I tell you to write this earlier?'" He revealed that Park Ha-sun cooks for their daughter after looking at his book, creating a warm atmosphere.

[Photo] Screenshot from the broadcast of "Problem Child in House"

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