In the interview prior to their journey, Sungjae revealed that he greatly enjoys fishing and even bragged about his skills, saying that fishes seem to be attracted to him. He said, "I have luck so fishes swarm below me even when I don't do anything. Fishing is a sport and science that needs skills." 

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However, he utterly failed at fishing on the March 31 episode. In the ocean, Sungjae went out of breath quickly and failed to catch any fish. 

After the failure, Sungjae said, "I feel like the fishes are ahead of me. I have to go learn fishing more..."