"I accidentally met a (former) unrequited love while travelling abroad!" Woo-Jin, who is excited with his trip to Europe, ends up getting into trouble which led him to meet Kang Seung-Hyuk, the person that he used to like for the past year. "It's going to be hard to ask this guy for help, but... it can't be helped!" "I have no choice but to be indebted to him for one night." But for some reason... strange things keep on happening.

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