Forest of Piano Series Directed by Gaku Nakatani … (12 episodes, 2018) Series Writing Credits Bob Buchholz … (12 episodes, 2018) Megan Buchholz … (12 episodes, 2018) Makoto Isshiki … (manga) (unknown episodes) Cast (descriptions from Wikipedia) Kai Ichinose is the son of a prostitute. He is an elementary school student who often plays the …