Nobody Knows (2020)

It’s Not Your Fault & Dong Myung, I’ll Protect You (1x9)

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Young Jin realizes that Eun Ho fell because of the stuff Jang Ki Ho asked Eun Ho to keep and starts to question people around Ki Ho. Dong Myung is about to be transferred to another school. Sang Ho learns that Jae Chun has been hiding Ki Ho and makes a deal with him to find out what Ki Ho gave to Eun Ho.