More than a Married Couple, but Not Lovers Volume 4

Two high school students who can't stand each other, must pretend to be the perfect couple to pass their marriage class and choose their new preferred partners! The "Marriage Dissolution Day" draws near, which means Jiro is about to end his pseudo-marriage with Akari and be with his first love, Shiori! But Jiro has some hesitations about moving forward... Meanwhile, as the sports festival approaches, various intentions and expectations start to intertwine among the couples - how will our pseudo-couples handle the situation?