From the South Exit of Musashi-Koganei Station, go straight towards the “Nonowa” building which has restaurants and grocery stores. Go down the street on the left side of it.
Go straight down the street and pass by the Family Mart (convenience store).
Turn left at the large intersection with the Seven Eleven on your right.
Go straight and you will find WCB (a white 7-story building). Enjoy your stay!