Following the brutal clash with Kirukiru Amou, the school's top scholars—the Supreme Five Swords—were slated to shoulder responsibility for the skirmish. Yet, rather than punish them, the principal abruptly sends the cohort on a leisure excursion to an onsen. Additionally, they may bring along the notorious transfer student Fudou Nomura—provided he clears his supplementary tests. With the Sword girls" support, Fudou must prove himself worthy of a break from his hectic school routine.