/usr/lib/x86_64-linux-gnu/libhangul.so is in libhangul-dev 0.1.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libhangul.so.1.0.0
/usr/lib/x86_64-linux-gnu/libhangul.so.1.0.0