"ファミコン風のシンプルな本格アクションゲーム" - Author's description
Download demo here (Windows)
Note: File names and folders may not display correctly, causing the game to crash when executed. To fix this, you will need to change the display language for non-unicode programs setting.
This setting can be found in Control Panel > Clock, Language and Region > Region > Administrative tab > Change System Locale button. Choose Japanese and apply the changes (you will need to restart).