Forest of Piano

 is a Japanese anime series directed by Gaki Nakatani (season 1), Ryūtarō Suzuki (season 1), and Hiroyuki Yamaga (season 2) and produced by Gaina. It was released on Netflix on April 8, 2018, and ended on April 14, 2019.

Summary
"Kai grows up playing an old piano discarded in the woods; Shuhei's father is a famous pianist. Their chance meeting transforms their lives and music."

- Official Netflix synopsis