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Phone

+81-3-5542-7432

10:00–18:00 · Open weekends, closed Wednesdays

FAX: +81-3-5542-7431

Email

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24-hour reception, replies on business days

For advertising or sales proposals, please use the contact form above rather than email.

Location

M's system, Inc.
IsaI AkasakA 2104, 5-2-33 Akasaka, Minato-ku, Tokyo 107-0052, Japan

Visits to our Akasaka head office are by appointment only. So that we can welcome you properly, please contact us by phone or email before your visit.

For repairs, please contact our Support Center (TEL +81-79-557-0512, 10:00–18:00, closed Saturdays and Sundays) or use the repair request form on our website. Please note that we cannot accept repair items at our Akasaka head office.

Tokyo Metro Chiyoda Line
Akasaka Stationapprox. 550 m, 7-minute walkA route with no slopes, using an elevator.
See the route with photos

Directions from Akasaka Station (Exit 3b)

  1. After the ticket gates, follow the signs for Exits 3a/3b and take the escalator up.
    Exit 3a/3b sign and the escalator going up
  2. At the top, head toward the signs for "TBS Broadcasting Center" and Exit 3b.
    Signs for TBS Broadcasting Center and Exit 3b
  3. Continue straight along the passage.
    Underground passage leading straight ahead
  4. Follow the Exit 3b sign, turn left and take the escalator up to street level.
    Exit 3b sign and the escalator to street level
  5. At street level, walk straight along the covered walkway.
    Covered walkway at street level
  6. Turn right in front of the TBS building entrance.
    Walkway turning right in front of the TBS building entrance
  7. Continue along the sidewalk beside the road. At the foot of the wall ahead (circled in the photo) is the elevator up to the upper street (4th floor).
    Sidewalk beside the road, with the elevator at the end
  8. Take the elevator enclosed by concrete walls (open to the public) up to the 4th floor.
    Elevator enclosed by concrete walls
  9. Get off on the 4th floor, walk straight ahead and continue along the walkway on the right.
    Walkway on the right after getting off on the 4th floor
  10. At the end of the walkway, cross the pedestrian crossing to your right.
    Pedestrian crossing at the end of the walkway
  11. Keep walking straight along the sidewalk.
    Sidewalk running straight along the road
  12. At the intersection, turn right without crossing at the traffic light.
    Tree-lined sidewalk after turning right at the intersection
  13. After turning right, you will see a tall building with a white upper section ahead in the distance. That is IsaI AkasakA.
    IsaI AkasakA, with its white upper section, seen in the distance after turning right
  14. You have arrived in front of the building. The tall building with the white upper section is IsaI AkasakA.
    IsaI AkasakA seen from in front of the entrance, looking up
  15. At the 1st-floor entrance, hold the entry QR code we email you in advance over the reception tablet.
    1st-floor entrance of IsaI AkasakA

Photos taken in November 2026

Tokyo Metro Ginza / Marunouchi Lines
Akasaka-mitsuke Stationapprox. 850 m, 13-minute walkThe walk from the station is uphill most of the way.
Tokyo Metro Ginza / Hanzomon Lines, Toei Oedo Line
Aoyama-itchome Stationapprox. 900 m, 15-minute walkA community bus (100 yen) also runs from the station.
By bus (Minato City community bus “Chii Bus”)

By bus from Aoyama-itchome Station

Minato City community bus “Chii Bus”, Akasaka Route (bound for Roppongi Hills)

Board at
“Aoyama-itchome Ekimae” stop (near Exit 3)
Get off at
“Akasaka-sho-mae” stop (about 8 minutes)
Fare
100 yen (free for preschool children; IC cards accepted)
Frequency
About every 30 minutes
From the stop
About a 7-minute walk, including an uphill section.

Timetables may change. Please check Minato City’s website for the latest times.Minato City website: Chii Bus guide (route map and timetable)