Summer break is here! With new meetings come chaos and ruin?! Time continues to flow after Bofurin's war against the former Furin students. While the students face off against their own troubles, Enomoto, Kusumi, and even Hiragi are paying Kaji a visit. Meanwhile, Sakura and his friends are hanging out when they bump into Kiryu's older sister. As they watch this new side of Kiryu, a single greeting from his sister leads to a surprising visit to Kiryu's family home!