Btw, ChangZhuo, since we are about to make this change to the already released Ubuntu 16.04 LTS, I'd appreciate if you could let me know ASAP whether you will break out the less important weights to fonts-noto-cjk-extras. If you will, I'd better adapt my proposed upload accordingly.
-- Gunnar Hjalmarsson https://launchpad.net/~gunnarhj