What Happened to Baki's Girlfriend in 'Baki Hanma'?

Netflix's 'Baki Hanma' anime lets us know the main character has a girlfriend, but then she disappears from the series. What happened?

What Happened to Baki Girlfriend? Did Baki Girlfriend Leave Him? Where is Baki Girlfriend? - News

Kozue Matsumoto, Baki Wiki

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what happened to baki's gf? : r/Grapplerbaki

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