Onechanbara
series of action horror games

OneChanbara (お姉チャンバラ), initially defined The OneeChanbara (THE お姉チャンバラ), is a series of action-adventure hack and slash video games originally developed by Tamsoft for D3 Publisher's Simple 2000 series. The title is a portmanteau of the Japanese words onee-chan (お姉ちゃん; lit. "big sister", but also a colloquialism for a young adult woman) and chanbara (チャンバラ; "sword fighting"). The series centers around Aya, a cowgirl who wears a scarf and wields a katana, who is pitted against hordes of zombies and other monsters.
Gameplay
Players guide their characters through the stages, completing tasks while fighting through enemies. The player-character's weapon becomes progressively covered in blood, causing their attacks to be slower and to inflict less damage, even getting stuck in enemies if it gets too bad. This is represented by a "Blood Meter" showing how dirty the weapon is. To prevent this, players must actively clean off their sword to keep the blood meter from filling up.
In addition, there is also the "Blood Lust" meter. As a character kills enemies, this meter starts to fill.
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This entry incorporates text from “Onechanbara” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.