As summer break winds down, a melancholy Ajisai runs into her dear friend turned rival in love, Mai. A heart-to-heart at the aquarium becomes the push Ajisai needs to do what she could never do alone—confess her feelings for Renako! If that weren’t enough for Renako to deal with, the bubbly Koyanagi Kaho starts kicking up a storm too! Will their circle of friends survive all these new developments?