That's not milk junkies. I've seen this before. Its from a big breasts hentai movie called Hitozuma Kasumi-san. Bakunyuu.com had articles on it. Here they are.
http://www.bakunyuu.com/article96
http://www.bakunyuu.com/article153
The scene look like it came from vol. 2. So yeah, its not BE but it definitely look liek it. Probably because of the breasts pushing forward from the breathing. Hope this helps.