Mark Stuart had realized something terrifying: he had been reincarnated as the mid-boss in a game! In the original game, he was fated to be condemned by his daughter, Forsina, who was known as the "Ice Princess." Reflecting on his past coldness toward her, he resolves to change his fate by earning her affection. Through his thoughtfulness and his actions as a duke, his daughter begins to regain her love and trust in her father, but he ends up going too far, and her love slowly becomes overwhelmingly heavy!?