Reading means your name, again, if you have an English name.
For the Japanese they will translate it into an alphabet.
Is asahidake on the east or somewhere else? I like the la vista there.
If it’s described in tatami size then yes, you will be on the futons.
Each mat is 1.8mx0.9m so 10 mats is the size. 1.7sqm per mat; so 17sqm and 14ish sqm.
