|Address:||1F - 5F Kaneko Bldg., 6-9-24 Ueno, Taito-ku, Tokyo [map]|
125 m from Okachimachi Station
219 m from Ueno-okachimachi Station
245 m from Ueno-hirokoji Station
Takarajima 24 is a chain of internet/manga cafes with private rooms. You can put your stuff there, lock the door and then go out for the evening.