Japanese & English voice:
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Ryu Kumon's father was taught part of a very powerful martial arts technique by Genma Saotome. The technique was so powerful that it killed Ryu's father. Now Ryu wanders Japan seeking the man he blames for his father's death, Genma Saotome.

Ryu happens to come across Nodoka Saotome, Genma's wife and tells her that he is in fact her long lost son, Ranma. Believeing this she takes Ryu/Ranma to the Tendo Dojo as he had hoped so that he could find Genma.