Marry My Husband: Japan.

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.