Wei Pang, a Chinese pianist from a wealthy family, studies abroad in Poland. He competes in the International Chopin Piano Competition, favored to win due to his exceptional technical skill and performance style that closely echoes former pianist Sosuke Ajino before Ajino's accident. This resemblance later sparks accusations of plagiarism against Wei Pang, provoking his intense anger.

Bullied during childhood, Wei Pang became antisocial and isolated, rejecting friendships and viewing competitors with disdain. He embraced music as his sole companion, dedicating himself to forging a unique piano style. His personality is defined as mean, rude, fiercely competitive, and driven to win at any cost.

Throughout the series, Wei Pang interacts with fellow competitors, including Kai Ichinose. Though initially dismissive, his experiences during the competition reveal underlying complexities. He demonstrates professional respect for serious rivals like Sophie Ormesson, hinting at acknowledgment beneath his aloof exterior.

His background as an international student and competitive zeal reflect his commitment to representing China in global piano competitions, especially in Japan. Despite his antagonistic traits, his undeniable musical talent significantly shapes the competition's dynamics.

Wei Pang's development involves confronting accusations about his musical originality and his isolated worldview through peer interactions. These challenges expose vulnerabilities under his competitive surface, even as his core personality endures.