Sumire comes from a mountain village where ninja traditions survive despite a shortage of work. Her father, the village chief, sends her to the city to gain experience, but she arrives without food or money and collapses from hunger. A passerby helps her, and Sumire decides that staying in his home is the best way to repay him. NinNinDays turns that encounter into a contemporary romantic comedy about an already-trained ninja adjusting to unfamiliar daily life. The story emphasizes the mismatch between her professional abilities and her tendency to make ordinary mistakes.
Gameplay
Read Sumire’s story through dialogue and animated character portraits. E-mote is used for character presentation.
Setting and premise
Present-day Japan, contrasting an isolated ninja village with the city where Sumire begins her training assignment.
Development and release
The Windows Steam edition is dated August 8, 2019. The Steam edition credits qureate and iMel Inc. as developers and qureate with DLsite as publishers.
Screenshots
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Editions & languages
Open an edition to check its languages. Text support and voice acting are listed separately.
Steam computer editionWindowsAugust 8, 2019
| Language | Interface | Text / subtitles | Full audio |
|---|---|---|---|
| English | Supported | Supported | Not listed |
| Simplified Chinese | Supported | Supported | Not listed |
| Traditional Chinese | Supported | Supported | Not listed |
| Japanese | Supported | Supported | Supported |
System requirements
Compare the publisher’s minimum and recommended specifications across platforms and editions.
| Component | Minimum | Recommended |
|---|---|---|
| Operating system | Windows7/8.1/10 (Windows RT and 10 Mobile are not supported) | Windows7/8.1/10 (Windows RT and 10 Mobile are not supported) |
| Processor | Intel Core i Processor Series (Low Voltage Processor is not supported) | Intel Core i Processor Series (Low Voltage Processor is not supported) |
| Memory | 2 GB RAM | 4 GB RAM |
| Graphics | HD Graphics 620 | GeForce GTX 1030 |
| DirectX | Version 9.0 | Version 9.0 |
| Storage | 1 GB available space | 1 GB available space |
| Sound card | A sound card that supports DirectSound | A sound card that supports DirectSound |
| Additional notes | Support Pixel Phaders 2.0 or higher required / A pointing device required | 1280x720px or higher / Support Pixel Phaders 2.0 or higher required / A pointing device required |





