As you can pull back the skin in non-erect state it can be tight frenulum and not phimosis all together.
You need to visit a general surgeon or urologist.
If it’s tight frenulum ( frenulum breve) frenulum can be released i.e frenuloplasty of prepuce can be other option if you don’t want circumcision.
Next Steps
Visit urologist/ general surgeon
Health Tips
Avoid force full pulling back of prepuce