Katabutsuotto ga Watashi (Tsuma) to Uwakishiteimasu!?

Meiko loves her husband, Takeru, who is 13 years older than her. But she overhears him telling a friend that he wants a divorce! To win Takeru's heart, Meiko disguises herself as a beautiful woman and approaches him. As planned, they spend a sweet night together, but Takeru doesn't seem to realize that the beautiful woman is Meiko...? Does that mean he's cheating!? She worries, but Takeru reveals his possessiveness and plunges into an unexpected doting love for Meiko...!

(Source: HarperCollinsJapan, translated)