Hiroko Seto
A close family friend of Arima. She was very close to Arima's mother and was one of her classmates years ago. Just like Arima's mother, she is widely known as a talented pianist. First appearance in episode 9.
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A close family friend of Arima. She was very close to Arima's mother and was one of her classmates years ago. Just like Arima's mother, she is widely known as a talented pianist. First appearance in episode 9.
A close family friend of Arima. She was very close to Arima's mother and was one of her classmates years ago. Just like Arima's mother, she is widely known as a talented pianist. First appearance in episode 9.