Tanpopo House Shin-koiwa address 124-0024 1-56-4 Shin-Koiwa Katsushika phone 03-3674-3893 open 10:00 am ~ 8:00 pm everyday purchase reception 10:00 am ~5:00 pm parking nothing access JR Sobu Lines Shin-Koiwa station South Exit 6 minutes on foot