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Movies like Onna fukuen'ya: Biashi nurebasami (2008)

Erika works at a popular "reconciliation agency." Her main job is to help separated couples remarry or get back together. She approaches her target, blends into their life, and gradually makes them remember their ex... with a 100% success rate. However, when the client's husband turns out to be a senior colleague Erika admired, personal feelings get involved...