"Even though I may not be able to wed the most attractive man in the world, I will not squander my first experience in this manner!" Chielo is on the verge of becoming a concubine for an elderly king at the palace. However, she is determined not to waste her valuable first time like this. Every day, she makes every effort to allure her loyal knight protector. Yet, her bold and flirtatious attempts are consistently turned down by the celibate knight Caelum. But could it be that his heart secretly shares the same feelings as hers?