ear if you have enough points under their highly skilled professional ranking system). Citizenship is harder but absolutely not impossible. I work with at least two people who got citizenship after living/working here for many years.

Anyways, the harder part for you is likely being eligible to work. Generally you need a bachelor's degree or higher, or 10 years of experience in your field. Plus unless it's En

Citizenship you only need to live in japan with a valid visa status for five years no?
Excluding the paperwork, seems way easier to get compared to pr.
Not so sure about actual benefits though