Prequel vignettes to the Kemurikusa TV series released on Tatsuki's official Twitter. They have an irregular episode count as follows: ep 0 (actually unnumbered), 0.5, 0.6, 0.7, 0....
Tatsuki's winning entry from the '24th 3D Anime Contest' in 2012, which will become a TV anime in 2019.
Follows a group of girls surviving in a post-apocalyptic world