Reiko (レイコ) is a major character in the OneeChanbara series, serving as an antagonist and sometimes as a playable character.

In Oneechanbara Origin she is re-imagined as Lei (レイ Rei), pronounced in-game in English audio as "Rei."

//I'm not a big fan of the series but I liked what I played so far. Just Oneechanbara Z2 Chaos in 2021 and Origin one year later. Both games were solid playthroughs.//

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