If you prefer using a computer, the kotatsu-dl CLI tool on GitHub allows you to download manga directly to format: Command : kotatsu-dl --format=zip --chapters=1

: If a download notification gets stuck at 0%, try restarting the app or checking your internet connection.

: Tap the three dots in the upper right corner and select Download .

: You can often choose to download a single chapter (e.g., Chapter 1) or the entire series. The app typically saves these as .cbz files, which are essentially ZIP archives of images. Command-Line Download (ZIP Format)

If you are using the Kotatsu for Android app , you can download specific chapters directly within the interface: