Adonis, the only son of a marquess, is blessed with a handsome face, exceptional intellect, and a respectable family. However, his terrible personality has caused 23 noble ladies to break off their engagements with him so far.
In a desperate attempt to find someone who won't end the engagement, his mother chooses Ophelia, the daughter of a poor country noble, as his 24th fiancee. But Ophelia's bright personality and honesty soon melt the hearts of everyone in the marquessate, including Adonis himself...
The very tall Kiyoko Naito is 5'9". She's outgoing, dependable, and is like a big sister to everyone. As a child, she dreamed of becoming a beautiful princess, but as she grew older and taller, she found herself becoming more like the "knight" that protects the other girls around her. Mikoto Himeno is a younger guy who works at the same office as Kiyoko. People call him a gloomy and incompetent loser, which makes Kiyoko worry about him. One day, she finds an opportunity to talk to Mikoto properly and discovers an astonishing truth about him. Himeno decides that she's going to step up and help this guy, whom everyone has the wrong idea about. She promises to protect him if he gets into any trouble and urges him to stop hiding his true self! From then on, he becomes the "princess" and she his "knight"...!
A romantic comedy about a boy as beautiful as a princess, and the girl who serves as his "bodyguard"!