Rei has been in love with Nanae since their high school days, and kills her husband for her.
The adaptation centers on two women – Rei Nagasawa (Mizuhara), who is homosexual, and Nanae Shinoda (Sato), who has been suffering severe domestic violence by her husband.
Nanae feels alienated and afraid of Rei, who has committed murder for her, while Rei accepts everything in order to keep Nanae alive.