Time Out says
The Japanese self-service frozen yogurt brand lands in Bangkok and offers up to six flavors.
Indulge in a bit of fun, mix up to as much yogurt flavors as you like, and choose as many toppings as you want. All you need to do is pick the size of your cup, fill it up with yogurt, add in your favorite toppings, have it weighed on the scale, pay and enjoy.
Khlong Tan Nuea, Watthana