Code Name: Prince

Princess to Kon'yaku
プリンスと婚約

Prequel

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Mandy lives a peaceful life with her parents and her adopted son Josh, the child of her best friend who died 3 years ago. However her quiet life is jeopardized when a man suddenly visits her. This refined and dignified man is the 2nd prince of Castile, Prince Stephen! Josh's father, who was the crown prince of the Kingdom of Castile had passed away, and the prince claims Josh is the rightful heir to the throne. "I'll never hand over my son!" Standing by her promise to her friend, Mandy decides to do everything in her power to stop the prince. (Source: Manga Plaza)

Sequel

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The Kingdom of Edenbourg is shaken with the king's disappearance. Princess Isabel decides to rescue her abducted father on her own. She plans to slip into a pub to find clues, posing as a married couple with Lieutenant Adam. "I will count on you when I get into trouble," the princess says to Adam, who tries to stop her because it is too dangerous. Adam prepares himself for the mission instead. On the day of the investigation, at the pub, Adam finds Isabel dressed so luscious that she looks like a loose woman! (Source: Digital Manga Publishing)