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ADN-737 Eng Sub. A secret mistress contract. The man I loved without realizing he belonged to the underworld.

ADN-737 English Sub. Ayaka Miyata, a serious office worker, feels the emptiness of a cold marriage. One night, she meets a mysterious man named Sakurai who helps her in an unexpected moment. Drawn to him despite knowing his connection to the underworld, Ayaka’s heart and desires spiral as she steps into danger—toward an ending she...