Рюдзи Аоно

Хадзимэ Аоно's father and his former mentor. A professional violinist whom Хадзимэ once admired. Рюдзи's infidelity with another woman and his divorce from Хадзимэ's mother caused Хадзимэ immense pain, which is why he cannot forgive his father. Nao Saeki's father.