The drama is the work of writer Noh Hee Kyung and director Kim Kyu Tae, the same team that created the masterpiece that was 'Wind Blows in Winter'. The drama is a romantic mental clinic drama that tells the story of people who live with mental disabilities, but do not know it themselves.

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D.O has been cast as Han Kang Woo, a high school student who dreams of becoming a best selling author to make his mother happy. He's an innocent student, but his innocence actually holds a big impact on the plot.

The drama will air in July on SBS!