They provide NO "Nutrition Facts". I don't expect it to be printed on the menu but why don't you even offer it as a courtesy when asked?
With food allergies and special diet requirements this is a must for anyone with peanut, gluten, dairy, allergies or just someone looking to count calories or carbs.
Shame on you Osaka, you are not the low cost leader when it comes to dinning so it can't be a cost value on return concern.