A possible concise summary is:
The video is about JUNHO's house warming party with his friends CHANSUNG and NICHKHUN, who are members of the K-pop group 2PM. They play various games, such as quizzes, zombie game, and punching game, and tease each other with jokes and anecdotes. They also order food with vouchers and enjoy eating together. They reminisce about their past experiences of living together and share their wishes for the future. NICHKHUN wins the zombie game and gets a life size standup in JYP building as a prize. CHANSUNG wins the 'You can use JUNHO' voucher and plans to use it someday. They end the party with a toast and a message to their fans.
Here are the key facts extracted from the text:
1. JUNHO invited CHANSUNG and NICHKHUN to his place for a housewarming party.
2. The dress code for the party was pajamas.
3. JUNHO had prepared a quiz game for the party with prizes.
4. CHANSUNG and NICHKHUN brought gifts for JUNHO, including household items and food.
5. JUNHO showed off his CD-shaped trophies from the Oricon chart.
6. JUNHO's solo album is called "So Good".
7. JUNHO has cats named Wolli, Johnny, Lambo, and Coo.
8. The party involved a photo quiz and a zombie game.
9. CHANSUNG and JUNHO are competing against each other in the zombie game.
10. NICHKHUN won the zombie game and will receive a life-size standup in the JYP building.
11. JUNHO and CHANSUNG have been friends for a long time and have shared many memories together.
12. GRHC (GuReumHyunChin) is a project started by JUNHO, which involves fun activities and games.
13. JUNHO has a voucher that allows CHANSUNG to use him for any purpose, which CHANSUNG plans to use in the future.