Agossou began her career in Benin as a theater actress with the company "Sonangnon" created and developed by her. However, after 4 years of creating the company, she moved to Spain in 2002.[3] Then she learned Catalan and Spanish languages to pursue a career as an actress. She acted in the film Un cuento de Navidad (Christmas Tale) with the leading role of a woman wanted by the police for lack of papers as an illegal immigrant.[2]