Is Coffee Talk Episode 2: Hibiscus & Butterfly completely free?

Yes. The pre-installed download listed here is offered as a free package at version v1.23, sized at 0.4 GB. If you want to support the developers, you can also purchase the game on Steam.

How do I install Coffee Talk Episode 2: Hibiscus & Butterfly?

Download the v1.23 package, extract it into a folder excluded from your antivirus, install any required apps from the Redist or _CommonRedist folder, and run CTHB.exe as administrator. A detailed Installation Guide.txt is included inside the game files.

What are the minimum system requirements?

You need Windows 7 SP1 or later, a 2.4 GHz or faster processor, 2 GB of RAM, 512 MB of display memory, DirectX 9.0c, and 550 MB of available storage. The build was tested on Windows 10.