Pleyel was founded in 1807 by Ignaz Pleyel, a composer and music publisher who studied with Franz Joseph Haydn. The company became a leader in acoustic innovation, making instruments for music greats such as Frederic Chopin, who only played Pleyel pianos in France.

Forest of Piano is a story that follows Kai Ichinose, a boy who lives in the red light district but escapes at night to play the piano in the forest. Shuhei Amamiya, the grade-school son of a professional pianist, transfers to Moriwaki Elementary, Kai's elementary school.