This is a repackaging of one of C-chan's later works, featuring chibified versions of FreeSBIE-tan and RoFreeSBIE-tan [originally created by Siya. As this was a quickly-drawn birthday present for Siya, the two girls are not in their standard attire but are instead cosplaying Siya's namesake characters Siya and Marc.

The repackaged version preserves the original drawing in its entirety, but removes Siya's exclusive text message to make the image more generic. In its place are some random lighting effects, some meant as experimentation.

Siya's original FreeSBIE-tan and RoFreeSBIE-tan can be found here. Suffice to say, both personify LiveCD-based FreeBSD variants and are known for their unique and fanciful attire.