The song Seohyun sang, 'It's Okay Even If It Hurts'(roughly translated), was revealed for the first time as the ending song of episode 6, which aired on the 19th. The song is the theme song for the character Kim Sooro, who is hurt due to love, but is determined not to let the love go.
Director Lee Pilho, who is
in charge of the OST, stated, "'It's Okay Even If It Hurts' is a song that shows the emotions of Seohyun well, and will be used as the title song of 'Kim Sooro'." He also added, "Thanks to Seohyun, who shouted 'One more time!' for two days until she was satisfied with the recording, great music has been created."
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