Kemurikusa (2018)

Set in a vividly imagined world, Kemurikusa explores the journey of unique characters navigating a landscape shaped by mystery and intrigue. These prequel vignettes, released through Tatsuki's official Twitter, provide a deeper glimpse into the universe and lore that enrich the main series. With a total of seven web shorts—numbered from 0.5 to 0.9, plus an unnumbered episode—each installment delves into various facets of the story, offering fans additional context and nuance.

Following the conclusion of the main series, a special vignette, episode 12.1, was made available, further enhancing the viewer's experience. The combination of fantasy and science fiction elements invites audiences to immerse themselves in this compelling narrative, filled with intriguing characters and their evolving relationships within a captivating setting.