A possible concise summary is:
NewJeans, a K-pop girl group, celebrate Chuseok by wearing blue hanbok and playing Gonggi, a traditional Korean game. They introduce their outfits, share their plans for the holidays, and decide on a mission for the losing team. The mission is to dance one of their songs outside and upload the video on their group chat. HANNI and HYEIN lose the game and have to do the mission. They also make a wish to the full moon at 11:11 pm and hope their fans have a happy and plentiful Chuseok.
Here are the key facts from the text:
1. NewJeans is a group that is celebrating Chuseok, a traditional Korean holiday.
2. The members of NewJeans are wearing hanbok, traditional Korean clothing, and have braided their hair in a traditional style.
3. They are playing a game of Gonggi, a traditional Korean game, and are competing against each other.
4. The game is being played with a nacre treasure box containing five Gonggi pieces.
5. The members of NewJeans are taking turns playing the game and trying to catch the Gonggi pieces.
6. MINJI, DANIELLE, and HAERIN are on one team, and HANNI and HYEIN are on the other team.
7. The team with the most catches wins, but if the score is tied, the team with the most catches in the second round wins.
8. The members of NewJeans are given missions to complete over Chuseok, which include dancing in front of a NewJeans ad and in front of HYEIN's grandma's house.
9. The members of NewJeans plan to spend Chuseok with their families and enjoy traditional foods and activities.
10. They also plan to make a wish at 11:11 pm on the night of Chuseok, looking at the full moon and making a secret wish.
Note: These facts are based on the text and may not be comprehensive or entirely accurate.