I Got Married to the Girl I Hate Most in Class (Light Novel) Vol. 4

Just as Saito and Akane’s relationship is on the mend after another storm of misunderstandings, a new addition joins the household: Akane’s little sister Maho! Akane swings into full mother-mode as she dotes on Maho, while Saito is swept up in the chaos of having to live with not one, but two Sakuramori girls.

To make matters worse, Maho suddenly approaches Akane with a shocking proposal that leaves the newlyweds rocked to the core. Akane realizes that what Maho asks for is the one thing Akane cannot give her spoiled sibling. Can the newlyweds face both their fears and their feelings and end up stronger than ever?