Rowan Winslow transmigrates into a book as a 'Cannon Fodder' character, the 'White Moonlight.' The System orders her to win over the original male lead and the Villain, then die. Unwilling to accept this fate, Rowan goes against the script, acting to annoy others. Unexpectedly, these actions capture the heart of Lachlan Marlowe. She also accidentally hears the Villain's Inner Voice, discovering his deep affection.