Hmm, with that... chapter 10 was just released, you can get it from the link above.

And yeah, I liked that scene too. But it's wierd because the way they presented it, it was like it was Morisaki himself laughing and yet not... it's like he suddenly has dual personalities and he's aware of what they do, though maybe not in full control of what they do. Although you can see it like he has control of himself, but there's some urge to drives him to do what he did. I don't know, it's interesting to see.