
By u/-zettaihime, its a reference to the Ken-Sama 27 year old American Otaku copypasta but changed to Umamusume.
Gomenasai, my name is Grass Wonder-Sama.
I’m a 17 year old American Umamusume (Horsegirl for you gaijins). I enjoy tea ceremonies, and spend my days perfecting my skills and running on superior Japanese races. (Takarazuka Kinen and Arima Kinen)