Branding in Seongsu

Souls Get Switched Back (1x15)

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Eun-ho gets a mysterious message and he goes to the restaurant that is mentioned in the text. He sees Director Han there. All of a sudden, both Eun-ho and Na-eon have a serious headache, and their souls get switched back. Meanwhile, Na-eon finds out that Director Han is the guy behind Yoo-mi.