Dear Yanzhen,
Thank you for visiting our web site.
We have two kind of rooms for that day(17/Aug night).
That one is 18pyung(quad) and the other is 20pyung room(quad).
The prices for 18pyung is 150,000won, 20pyung is 180,000won.
If you want to make a reservation please let me know as soon as possible.
Thank you.