Yochi Yume Sanshimai

One day, Futami had a dream in which her husband asked for a divorce. She thought it was just a dream, but on their fifth wedding anniversary, it became reality! As her dreams continued to come true, Futami realized she was having precognitive dreams. She enlisted the help of her coworker, Kuroshima, to track down her husband's affair partner, but then she dreamed that she was pregnant...!?

(Source: Shogakukan, translated)