Shiro Kishidan no Himitsu no Oujo-sama Rakuen no Shito ni Ichirin no Hana wo
白騎士団のひみつの王女様 楽園の使徒に一輪の花を
The second princess serves as an apostle of the goddess and has been kept hidden from public view. To carry out her duties, she joined the Knights under a secret identity. As her 16th birthday approaches, a ball is announced where those who discover the second princess may propose to her. To avoid revealing her true identity, she attends the event disguised as a knight, accompanied by Gideon, a fellow knight who is aware of her secret. At the ball, a prince from a powerful nation approaches her. The story follows her efforts to maintain her cover while navigating the unexpected attention.