Japanese subtitles for the historical drama Hotarugusa.
- Title: 螢草
- Title (romaji): Hotarugusa
- Tagline: 菜々の剣 / Nana no Ken
- Format: Renzoku
- Genre: Jidaigeki
- Episodes: 7
- Broadcast network: NHK BS Premium / NHK BS4K
- Broadcast period:
- 2019-Jul-24 to 2019-Sep-04 (BS4K)
- 2019-Jul-26 to 2019-Sep-06 (BS Premium)
- Air time: Wednesday 18:00 (BS4K) / Friday 20:00 (BS Premium)
Nana is a servant of the Kazahaya family, She is from a samurai family. Her father was about to reveal wrongdoings within the domain, but had to commit ritual suicide for a crime he hadn’t done. Ichinoshin tries to correct the wrongdoings, but end up being a target himself. After finding out her father’s enemy is the man behind it all, Nana decides to protect Ichinoshin and his children, as she had promised Sachi, Ichinoshin’s late wife.