The RockBar GLASSONION, located in the Takadanobaba, Shinjuku 1-17-18 Hishikawa building underground.
Take the Yamanote Line, please get off at Takadanobaba.
Upon exiting the station, there is a Waseda street.
Along the right side Waseda street, and walk 5-6 minutes, you have a right to GLASSONION underground.