Hisaka Meira

Chisato Mayama, who has spent her married life being abused by her husband and in-laws, sees her husband, Yuta, walking amicably with a young woman on her birthday. She gets into a struggle with the mistress, and the two are run over by a truck in the heat of the moment. Yuta wakes up in a hospital room and calls his mistress's name: “Runa, I'm glad you're alive....” When she looks in the mirror, she sees that Chisato has been reincarnated as Yuta's mistress. Chisato vows to take revenge on Yuta with her new life.

Reina and Yoshiyuki have been living together since the events with Ayu. One day, they cross paths with a girl so much like Ayu that the two of them are shocked. This girl's name is Kaede.