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About NEKO-NIN exHeart +PLUS Saiha
NEKO‑NIN exHeart +PLUS Saiha is a standalone mini‑sequel that expands the story of the original title by focusing on the sub‑character Saiha. The game delivers an action‑casual experience designed for single‑player play on Windows.
Developed by Whirlpool, the title features full Japanese voice work for every character except the protagonist and showcases Takano Yuki’s character designs. Steam Cloud saves and Family Sharing are supported features.
01 / THE GUIDE
Standalone Mini‑Sequel
The product is described as a “2nd mini‑sequel” that can be launched without owning the original NEKO‑NIN exHeart. All assets required for Saiha’s story are included, so the game runs as a complete package.
Because it is a separate release, the narrative builds on prior events but does not depend on external files. Players receive a self‑contained experience that introduces new plot points while referencing earlier characters.
- Check the game’s description for any mention of required DLC before purchasing.
- Note recurring character names; they may help orient you in the new story.
02 / THE GUIDE
Recommended Prequel Play
The description includes a warning that, while the original is not required, playing NEKO‑NIN exHeart first is highly recommended. This suggests the prequel provides background that enriches Saiha’s scenario.
Skipping the prequel does not block access to the game’s mechanics, but players may miss contextual details about characters such as Yura, Tama, and the runaway ninja.
- If you have time, run the original to familiarize yourself with the world.
- Use any notes from the prequel as a reference for character motivations.

03 / THE GUIDE
Japanese Voice Acting
Full Japanese voice acting is provided for every character except the unnamed main protagonist. This creates a consistent auditory presentation across dialogues and cutscenes.
The lack of a voiced protagonist means players only hear lines from supporting characters, focusing attention on Saiha and other NPCs during narrative moments.
- Listen for vocal cues to help identify who is speaking in voiced scenes.
- If subtitles are available, you can read alongside the voice work.
04 / THE GUIDE
Character Designs by Takano Yuki
Takano Yuki is credited with the character designs, defining the visual appearance of Saiha and the surrounding cast. These designs contribute to the indie aesthetic highlighted in the store page.
Consistent artwork appears in menus, sprites, and promotional images, reinforcing a cohesive visual identity throughout the title.
- Compare character silhouettes to spot Takano Yuki’s stylistic signatures.
- Observe how design details (color, shape) reflect each character’s role.
05 / THE GUIDE
Platform and Core Features
The game runs on Windows and is listed as single‑player. Steam Cloud integration is present, meaning save data can be stored online and retrieved on the same account.
Family Sharing is also supported, allowing other Steam accounts linked to the same library to launch the game without an additional purchase.
- Enable Steam Cloud in the client settings to safeguard your progress.
- Share the title via Steam’s Family Sharing to let family members try it easily.





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