Debusu no Tawamure: Anata no Otto wa Watashi no Mono

One day, Aiko's husband, Kento, suddenly disappeared. Years later, he's resurfaced, but he looks like a completely different person. Aiko loves her husband and loves her career. Everything is going so well, she tells the whole world on her social media account. She believed that she would get her happily ever after. However, one day, another "Aiko" appears before her. Aiko Takasugi is a fan of hers, but she aims to sneak her way into the cracks of Kento's heart. Suspicious accidents start to occur around "Aiko," but what is she really after? The bond between husband and wife is about to be tested, by this devil's little game!! (Source: MangaPlaza)