Not :h3::3::3::P:, do :6::pause::2::3::P:. It takes some getting used to.
The exercise is NH :6::pause::2::3::P:, :6::pause::2::3::P:, :3::3::KK on Kasumi. Once you can do that, plug it into your CB combos. Once you feel comfortable with that, you'll be able to use it as an actually aggressive...