Forty-five boys compete in survival to make a debut as an idol group. The trainees take the Warm-up Mission, where they do an ocean shuttle run. Next, they are divided into Group A, B, C
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Forty-five boys compete in survival to make a debut as an idol group. The trainees take the Warm-up Mission, where they do an ocean shuttle run. Next, they are divided into Group A, B, C and are tested for their strength, flexibility, and endurance with the Masters. The names of three trainees who come in first in the tests are revealed.