I Got Married to the Girl I Hate Most in Class (Manga) Vol. 2

On their grandparents' orders, high school archrivals Saito and Akane get married! Things were looking dire after the first few fights, but the better they get to know one other, the more these enemies' hearts soften. Could they become friends - or even more? Meanwhile, at school, they're still keeping their marriage hush-hush. Enter Akane's best friend, Himari - who reveals her crush on Saito! How can Akane support her friend and keep her marriage a secret, and who will Saito choose?