The Wanted -The Fallen Muse-(2003)

An angel by day, a prostitute by night... Morimoto Kazumi has given everything to her beloved Kenji. However, he is easily taken by another woman who dangles the prospect of success in her career. Although she initially tries to distance herself, she realizes the stark mismatch between the two and decides that she is the one who can make Kenji happy, so she sets out to separate them. However, in a fit of rage, she ends up murdering the other woman, Taeko... Evading the police's arrest, she begins a life on the run across Japan.