Mirai de Reiguuhi ni Naru hazu na noni, Nandaka Yousu ga Okashii nodesuga…

Rose, the second princess of the country of Glidor, who grew up shunned by her family, had a dream one day. She boarded the luxury cruise ship Princess Lea. Following her sister Lea's disappearance, she found herself offered to Raphael, the crown prince of the great country of Martin, in her place, becoming his coldly neglected wife. A few days later, Rose was forced to board the luxury cruise ship Princess Lea at her father's command. She feared the same thing that happened in her dream. However, while she tried to avoid her unfortunate future, contrary to her dream, Raphael took a liking to her...!? A love story that begins with a precognitive dream, full of frustrating sweetness and doting love, begins!! (Source: Shueisha, translated)