How to get 100% Custody and possibly moving back to Japan with my children?

Hire an experienced family law attorney. Move aways require expert guidance.

You can raise this as an issue, but the other issue is enforcement.

Is a Family Law Action a Civil action in which a litigant is entitled "Access to Courts"?

Same question as colleagues. Need more facts.

Family Law- Serving restraining order (pro per)

Anyone over age 18 can serve. Make sure you file the proof of service with the court before the hearing.

Effect on child custody if parent suffer incomprehension child recommendation

Sounds like you are on the right path and I would certainly bring this issue to the court's attention.

What are my chances of getting custody of my 12 year old son after he's been with his father for 8 years?

Well, failing in school would certainly help your chances. Perhaps you could do a better job and show the court how you could do so.

Psychological Abuse Children

File your Requests for Orders for a 730 evaluation.

Do I need full custody to file for power of attorney for a minor?

Huh? Is there a court order for joint custody? Does the other parent want the child during this time?

Family Law- Serving Request for Order (Pro Per)

Sixteen court days. (Not including weekends and holidays).

DCF filing for custody while my child and I are in a different state.

Absolutely. Court has jurisdiction if child lived there 6 months before filing.