Aro Neu or Neu Aro (expanded to Neutro Aro or Aro Neutral) is a subset of aromantic described as one who is neutral on allosexuality or asexuality. The term is intentionally vague and includes non-SAM aros, unit aros, aromantics who don't know if they experience sexual attraction, and aromantics who can't tell the difference between sexual attraction and other types of attraction. The term can be expended to neutrosexual for those who use the split attraction model.
The term aro neu was coined by Tumblr user A-romantic--aromantic on May 19, 2019. The flag was created by them on May 20, 2019. The top half is the same as the aromantic flag. The bottom two stripes are a neutral mauve which is in between gold for alloaros, and purple for aroaces.