Would you take an oath for a false romance, for the sake of your true love? The pseudo-married couple romantic comedy between a popular girl and a loser in romance continues! The love quadrangle got more complicated during the summer season! Jiro is troubled by the awkward relationship that developed with his first love, Shiori, after accidentally kissing her. Meanwhile, emotions changed between the young pretend-couple when Jiro and Akari went to work on an overnight part-time job near the beach with their respective crushes, that fell outside of their "Marriage Practical" rules.