Saero Gumidyeon: San 257

Saero Gumidyeon: San 257 is an original net animation (ONA) series currently airing that combines fantasy and historical themes. The series' unique premise is shrouded in secrecy as no official synopsis is available. However, the series is categorized as fantasy and historical, hinting at a potentially rich and engaging narrative. Each episode has a short runtime of around six minutes, suggesting that the story might be told in a compact and focused manner. While details of the plot are scarce, this very mystery is what might make the series even more appealing to potential viewers who enjoy discovering a story as it unfolds.