Having been a customer at Narita for over a decade, I've always felt happy and satisfied. Although the hotel isn't young, it's still okay. The rooms are spacious, with bathtubs.
There needs to be more no-smoking signs around the pool area. While there are signs, they're not clear enough, and many people who smoke don't seem to mind smoking around the pool, which also has many small children. I've even reprimanded them, but they just get angry, which is odd, haha.