Immediately Need Answer!! About Departure from HK?

!! MY ENGLISH IS NOT VERY WELL !!


Let me talk about my identify first.

Im mix of japanese and chinese(HK).

I having Japanese passport

Last summer I tuned to 18.


So this is where we begin with our main issue.

I didnt change the HK ID from child ID card.

I mean the under 17 HK ID card.

Actully we didnt notice about that.



so its mean I cant use HK ID to departure

But I need to go back to Japan on 1st of Feb.


so can I use my passport to departure?


someone plz give me answer immediately!!