After work or school, you can smoothly board the train carrying your luggage and travel to Ikebukuro Station in about 5 minutes without any transfers. First House Shin-Otsuka is located a 2-minute walk from Shin-Otsuka Station on the Tokyo Metro Marunouchi Line and a 10-minute walk from Otsuka Station on the JR Yamanote Line. You can also reach Tokyo Station and Otemachi Station in about 15 minutes without transfers, allowing you to choose the best route depending on your destination.
