Japanese fruit drink

There used to be a Japanese fruit-milk drink called Gun-Gun(?) that one could buy at the local Japanese market . The name was spelled in katakana, and was very similar to Calpico, but in a larger bottle. Now I can’t find even find a picture of it anywhere! Does anyone know what I’m referring to? Has the company that it was made by gone out of business and removed every trace of it from even the internet or have I somehow stepped into an alternate universe where no such product ever existed?