Seventeen member Boo Seung-kwan received praise for his role as the manager of the volleyball team Pilseung Wonder Dogs on MBC's variety show "Rookie Director Kim Yeon-kyung." The special episode aired on the 7th was titled "Rookie Director Growth Story: Wonder Dogs Marathon," and the program gained attention on Sunday variety shows, ranking first in the 2049 viewer ratings. Thanks to this popularity, the program was extended from the originally planned 8 episodes to 9 episodes, with an additional special broadcast scheduled.

Boo Seung-kwan is known as a longtime fan of women's professional volleyball and appeared as the manager from the founding process of Pilseung Wonder Dogs, earning the nickname "Manager Ppu." He attended the group viewing event of the final broadcast and asked the audience to cheer for the players. Boo Seung-kwan said, "I would appreciate it if you continue to support the players even after the program ends," and encouraged cheers by saying, "Let's all shout 'Pilseung, Wonder Dogs!' If we shout loudly, there might be a season 2."

Boo Seung-kwan's passion was evident even on the day of the group viewing. Despite having a filming schedule, he used a break in the middle to rush to the group viewing site. He appeared with dyed hair, showing his idol-like appearance, and Kim Yeon-kyung admired him, saying, "Wow, you look like an idol." Boo Seung-kwan explained, "I can't watch it all. Filming ends at 2 a.m. I came here during a break in filming," expressing regret that he could not stay until the end of the event.

Boo Seung-kwan's heartfelt support deeply moved the players, who said, "He is truly sincere about the Wonder Dogs." His efforts and dedication left a positive impression on many fans through the program. As a result, Boo Seung-kwan successfully fulfilled his role as a member of the volleyball team beyond being just an idol.

"Rookie Director Kim Yeon-kyung," through the journey with Boo Seung-kwan, broke down the boundaries between volleyball and variety shows, establishing itself as a beloved program among many viewers. Boo Seung-kwan's activities will be remembered by many in the future.