To win the lead role in a BL series, eight different men go on a limited summer trip of 7 days and 6 nights, experiencing youthful, passionate, romantic, and heartfelt situations in various attractions. As the eight men get to know each other better through the journey, they take on different "BL script missions" to nurture their feelings and chemistry. In the final confession scene, they must choose each other in order to star in the BL series.