Judith, a minor character in a certain story, is a marquis's daughter despised by her family and fiancé, who has resigned herself to her miserable fate. "—What a boring life," thought the protagonist who was reading the story... until she suddenly found herself reborn as Judith! Having learned of the relentless pressure Judith endured and her desperate struggle to survive, the protagonist vows, "I'll make them all pay on her behalf!" She decides to put "a certain plan" into action to break free from the shackles binding Judith... A dramatic reversal from a life of oppression! A thrilling "serves you right" fantasy begins here!