Also known as Shíkōng qiútú, Bloodivores
Chinese webcomic and animated series

Bloodivores
60 years ago, a strange case of insomnia struck the population, forcing them to stay awake for more than a full week. The victims, completely sleep deprived, all went mad. To cure this illness, a new medicine was produced, but the side effects turned the patients into vampires. H…
via Jikan · MyAnimeList
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).