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Yuiko Miyoshi (三善 由衣子)
Chiaki's cousin, more specifically, his mother's brother's daughter. She visits France, hangs with Chiaki and goes on a date with Lucas, even though they don't understand each other.
Chiaki's cousin, more specifically, his mother's brother's daughter. She visits France, hangs with Chiaki and goes on a date with Lucas, even though they don't understand each other.