The founder of the school is said to be Gakurakuken SASAKI, who lived in Sakamoto, the Province of Omi (Otsu City) in the mid-Muromachi period, but this is not very convincing.
流祖は室町時代中期に近江国坂本(大津市)に住まった佐々木岳楽軒とされるがにわかには信じがたい。