260108 SHOWBOX YouTube Community Post Update with Seungkwan and Mun Kayoung by princessgojo SEVENTEEN
princessgojo on January 8, 2026 2:57 pm [Source](https://youtube.com/post/UgkxuLRDT__mofwg1nEdkBjuWSdkJEdcHh-u?si=CVYT-jW4qhe1n-2C) Caption: Come see Jeongwon’s “older sister” moment 🙋♀️ Curious about the real best-friend chemistry between Moon Ga-young & Boo Seungkwan?! 🎥 [Boo Seungkwan’s Bibbidi-Bobbidi-Boo] Watch it now on YouTube! #1 at the overall box office ✨ <Once We Were Us> now playing in theaters 🔗 Book now via the profile link! (Machine translation)
DancingOnMy0wn- on January 8, 2026 5:34 pm Mun Kayoung is one of the only drama actresses that I follow. She is so lovely
2 Comments
[Source](https://youtube.com/post/UgkxuLRDT__mofwg1nEdkBjuWSdkJEdcHh-u?si=CVYT-jW4qhe1n-2C)
Caption:
Come see Jeongwon’s “older sister” moment 🙋♀️
Curious about the real best-friend chemistry between Moon Ga-young & Boo Seungkwan?!
🎥 [Boo Seungkwan’s Bibbidi-Bobbidi-Boo]
Watch it now on YouTube!
#1 at the overall box office ✨
<Once We Were Us> now playing in theaters
🔗 Book now via the profile link!
(Machine translation)
Mun Kayoung is one of the only drama actresses that I follow. She is so lovely