BL novel writer Noelle Sutton and manga artist Zoe Jacobs transmigrate into a book, becoming sisters-in-law of the Grant family, destined as cannon fodder. They unlock a two-way inner voice cheat code. They team up to save themselves, taking on rivals and relatives. Sean Grant and Connor Grant, who despised them, are drawn to their true selves. The original female lead, Summer Song, with her own system, brings new challenges.