The duchess Noar Armand suddenly understood. In her previous life, she was a high school girl with no luck with men, and she was reincarnated as a villainous young lady who appears in the otome game "Rose Prayer". And what awaits him is the fate of breaking off the engagement and imprisoning by His Royal Highness Crown Prince Argento Blum, who is currently his fiancée and falls in love with the heroine...! "I wish for a man who cheats too." Noir coldly treats His Highness to be hated, but-!? The opening of the romantic comedy ♪ avoiding cheating of His Highness × S, a villain with love trauma