Hyakujitsu no Bara dj - Thorn Crown

[Hyakujitsu no Bara](https://www.mangaupdates.com/series.html?id=2229236062) side story, taking place after vol 2. All 6 volumes of *Thorn Crown* are sketch copy-bon books that were expanded to become chapters 30-33 of the manga. *Thorn Crown I&II* are also included in [Taoyakana Kurueru Te ni](https://www.mangaupdates.com/series.html?id=182629), and *Thorn Crown III&IV* are in [Galand of Wisteria (2018)](https://www.mangaupdates.com/series.html?id=182590) *Thorn Crown - Luckenwalde* was released in 2022, serving as volume 7 in the series. It's also included in [Haitoumitsu to Chou](https://www.mangaupdates.com/series/o2lbmkj/hyakujitsu-no-bara-dj-haitoumitsu-to-chou)