The first volume of Banquet ``I was a princess, but I secretly became the exclusive pharmacist of the Dragon Knights!'' was released on May 2nd. This is a comic adaptation based on Ren Amemiya's novel.
Lotte was an apprentice pharmacist in the countryside. However, by chance, Lotte discovers that she is the princess of the Kingdom of Cylonia, and is welcomed into the royal palace. However, for her, living in the unaccustomed royal palace is extremely difficult. While going in and out of the Dragon Knights under a false identity, Lotte becomes the exclusive pharmacist for the Dragon Knights, which is short of manpower. Even though she hides her true identity, she is attracted to Reginald, the serious leader of the knights. Meanwhile, Lotte and Reginald become embroiled in a conspiracy at the royal palace.