Get off at the O-okayama station. A 10 min walk will get you to DSL.
How to get to Oo-Okayama
From Tokyo, Ueno, Shinagawa
Ooimachi line from Ooimachi to Oo-Okayama or Toukyuu-Meguro line form Meguro to Oo-Okayama
From Shin-Yokohama
Yokohama line -> (Yokohama) -> Toukyuu-Toyoko line -> (Musashi-kosugi) -> Toukyuu-Meguro line to Ookayama
