Misa has been a supporting character all her life, blindly trusting her best friend and husband. When she discovers their affair, the betrayal results in her death. Waking up ten years in the past, Misa vows to become the main character of her own story. She plans to ruin her betrayers by making them marry each other, but after meeting her director at work, starts to consider who she truly is.
E1
While undergoing cancer treatment, Misa discovers her husband Tomoya is having an affair with her best friend Reina, only to be murdered by the two of them. Instead of dying, she somehow wakes up in 2015, ten years in the past. Armed with knowledge of what's to come, Misa sets out to rewrite her fate and plans her revenge.
E2
Wataru, who has always been an passive observer of his first love Misa, finds his heart racing when she suddenly reappears in his life. Misa learns that her second chance isn't without consequences. Misa makes her first move to rewrite her dreaded memories from her past life, at her class reunion.
E3
After breaking up with her boyfriend, Reina begins pursuing Wataru. With her plan to play cupid for Tomoya and Reina falling apart, Misa kicksoff the "Tomoya Makeover Project." Meanwhile, Misa overhears Wataru and Miku having a friendly chat, and starts to question their relationship as she heads off to a vineyard on a business trip.
E4
Misa accuses Reina and Wataru's relationship, but quickly finds out Reina made a move to provoke Misa. Misa stages her happy relationship with Tomoya to make Reina jealous, but the plan takes a dark turn when Tomoya once again shows signs of violence.