TV-Series
Description
Kai Ichinose is the central character of this story, a piano prodigy whose life and music are defined by a unique and unconventional upbringing. He is born and raised in a poor, marginalized red-light district on the outskirts of a Japanese city, often referred to as “the edge of the forest”. His mother, Reiko Ichinose, is a prostitute who bore him at a young age, and the identity of his father is not revealed. This background subjects him to societal prejudice and bullying during his childhood, but he develops a fierce and defiant personality as a result, always ready to defend his mother and his home with his fists when necessary.

From the age of three, Kai finds solace and a means of expression in an old, abandoned upright piano that sits alone in a sun-dappled clearing in the nearby forest. The piano is believed to be broken, as it produces no sound for anyone else. However, Kai discovers that it responds only to his touch, and he begins to play it instinctively, treating it like his own personal toy and companion. Entirely self-taught, he develops his extraordinary musical talent through constant experimentation and play, committing entire pieces to memory after hearing them just once and playing them back with a raw, emotive power all his own.

Kai’s personality is a striking contrast of unpolished roughness and deep sensitivity. He is outspoken, free-spirited, and has little regard for formal rules or social etiquette, which often puts him at odds with the structured world of classical music. He has no initial interest in formal piano lessons, preferring the freedom of his forest piano. Despite his tough exterior, he is deeply loyal and caring toward those he considers close, and his music is a pure, unfiltered channel for his emotions.

His life changes with the arrival of Shuhei Amamiya, the polite and professionally trained son of a famous pianist, who transfers to his elementary school. After a challenge leads Shuhei to the forest, he witnesses Kai playing the abandoned piano and is stunned by his natural genius. This meeting sparks a complex and profound friendship, one that oscillates between mutual admiration and intense rivalry. For Kai, Shuhei is the person who introduces him to the wider world of classical music and becomes a cherished friend and rival, motivating him to pursue the path of a pianist.

Kai’s life is further transformed when his music reaches Sosuke Ajino, a former world-renowned pianist who now works as a dispirited music teacher at the local school. Ajino is the original owner of the forest piano, an instrument he sold after a hand injury ended his career. Recognizing Kai’s raw, untamed genius as a second chance at the musical legacy he lost, Ajino becomes Kai’s mentor. Initially resistant, Kai agrees to take lessons from Ajino after struggling to master a Chopin piece, a turning point that formalizes his journey from a self-taught forest prodigy to a serious musician. His early foray into a formal piano competition ends in disqualification due to poor etiquette, though his performance stuns the audience, reinforcing his disconnect from the classical establishment.

Kai’s abilities are nothing short of remarkable. His most defining trait is his seemingly magical connection to music, allowing him to memorize any piece after a single hearing. Years of playing the forest piano, which has an unusually heavy keyboard, have given him immense strength in his fingers, leading to a powerful and forceful playing style. He also learns how to tune pianos out of necessity, as he practiced for so long on an instrument that deteriorated in the harsh conditions of the forest. The destruction of this beloved piano in a forest fire triggered by lightning becomes a profound loss, plunging him into despair and forcing him to evolve, eventually finding an outlet performing incognito as a female pianist at a club and later with a street band Throughout these trials, his motivation remains intensely personal, driven not by a desire for fame or awards but by a pure love for playing and a deep-seated need to express his own truth, a philosophy that stays with him as he rises to compete on the world stage at the International Chopin Competition, where his authentic and emotionally resonant performances ultimately secure him the first-place prize.