Oracle UseUnicode NCLOB Problem

[wbjsoft]

I use unidac with delphi - datasnap
MariaDB , SQL Server is OK.
but unicode character is broken in Oracle NCLOB column.
it's OK Oracle NVARCHAR

Test is stored T (I think It is char length problem)
한글 is \??

what's the problem?

DelphiXE2 - Unidac 7.1.4 - Oracle 11gXE - NLS_LANGUAGE=KOREAN , NLS_CHARACTERSET=AL32UTF8 , NLS_NCHAR_CHARACTERSET=AL16UTF16

UniConnection Options
UseUnicode=True
charset=<EMPTY>
direct=true

UniQuery Options
TemporaryLobUpdate=False

thank you in advance.

[MaximG]

To investigate the issue, please provide us a small code sample, execution of which causes the issue