Prequel vignettes to the Kemurikusa TV series released on Tatsuki's official Twitter. They have an irregular episode count as follows: ep 0 (in actuality, it is unnumbered), 0.5, 0.6, 0.7, 0.8, 0.9. After the Kumurikusa TV series finished airing, Tatsuki released another vignette the following week numbered ep 12.1 both on his Twitter account and official YouTube channel for a grand total of 7 web shorts tied directly to the TV series.
Up to EP 2Katana Maidens: TomoshibiAnime
Up to EP 12GenshikenAnime
Up to EP 4Nekomonogatari BlackAnime
Up to EP 1The Garden of Sinners Chapter 4: The Hollow ShrineAnime
Up to EP 1212-sai.: Chicchana Mune no TokimekiAnime
Up to EP 12Hakuouki: OtogisoushiAnime
Up to EP 15IDOLiSH7 Second BEAT!Anime
Up to EP 24Shaonu Qianxian: Renxing Xiao JuchangAnime
Up to EP 6Gintama x MameshibaAnime
Up to EP 12Sengoku Night BloodAnime
Up to EP 1Dragon Ball Z: Broly - The Legendary Super SaiyanAnime
Up to EP 12Hyperdimension NeptuniaAnime