It's August, and it's summer vacation! Passions run as hot as the sweltering weather as we follow each girl through their own summer love story. Will their dreams of making summer memories with Ichika come true? Who'll be the last one left standing beside him in the sun? Find out in the fourth volume of an emotionally-packed high-speed school action romantic comedy! There may not be any IS battles, but the battlefield of summer love is heating up!