http://vnsharing.net/forum/showthread.php?t=235901 has all raws.

was not in vol 6

two scenes, vol 1 and 3
Jump comics deluxe. With 1 volumes protagonist fang (wooden leaf superior child) woman (wooden leaf Yuuko) transformation (?)When having done, there is a scene where the 嗅 is done chloroform in the man of the black clothes and faints (3 scenes). In addition, “the Russian president visit to Japan (4)” of 3 volumes when it waited for the fact that in the episode which is said the mother of the Russian at the rest room of the airport the daughter it comes coming out, there is a scene where from back the 嗅 is done chloroform suddenly in the woman of the black clothes and faints (2 scenes). (Information offer: [hiroki])

vol.1 has a hand gag - and bondage scene (with nudity), but I don't think its the chloro scene they are talking about.

There's a minor drugged drink scene too (not very good)

Hold on, wrong manga. I need Murder License Kiba AND Black Angels!!!!