"Musashino style" is what the city of Musachino http://en.wikipedia.org/wiki/Musashino,_Tokyo calls its smoking area in Kichijoji. In the corralled off area for smokers just outside the North side of the station is the manner corner for the terrible smokers.
Now for some great company are these angry looking yellow cigarette themed flamingos. One is there just to stare angry at you and the others are there to swallow up your spent cigarette. Japan loves to make characters out of anything. If you get a chance to stop into Kichijoji http://en.wikipedia.org/wiki/Kichij%C5%8Dji which is about 15 minutes west from shinjuku station off the Chuo line.