It was a little bit different from the images on the website. It looks kind of old but the facilities were quite good. There was no limitation about times, the lock gate using code/password to get in so it 's quite comfortable for passengers.
It's nice and cozy like your own home. You can make your own hot drink. You can see movies on Netflix or other channels. The place itself is close to the Literature Museum, One Pillar Temple, bunker, and many museums.
There was a minor hiccup at the start from booking processing, but the staff managed to arrange temporary replacements and our stay was generally smooth. It might not be ideal to come back late at night, as the security guard will be asleep and we didn't want to bother him in the middle of the night.