Melancholia

Unlocking Yoon-soo’s Heart (1x9)

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Seung-yoo tries to bring Yoon-soo out into the world from her rut by getting close to her heart, just the way she helped him. Meanwhile, Yoon-soo keeps her identity hidden while collecting evidence of Noh Jung-ah's corruption. However, when Yoon-soo's identity is in danger of getting exposed, Seung-yoo stands in front of her.