Cinder Boy — Barbara G. Tarn

Rohan, also known as Cinder Boy, has found a warm pond in the forest behind his late father's manor. And one day a handsome stranger disturbs his bath.
Prince Kurtis is back after three years and tournaments are held in his honor. The Nameless Knight beats him but refuses to show his face.
A fairy tale retold as sweet m/m romance on Silvery Earth.