When you arrive at Mitsuzawa Shimocho station, please take the elevator in the subway. 

Please come to the exsit 2 of East gate where you can find elevator.

Please turn left after leaving the ticket gate.

And you'll find the elevator. 

Once you take off from the elevator, turn left.

You'll find the corossing with coin parking. Then turn left again.

The photo studio is located on the grand floor of the white building in the corner.

Pleae knock the glass door.