Having survived their final exams, Ayanokoji and the others are looking forward to an idyllic school-sponsored summer vacation aboard a cruise ship. But nothing is ever quite as it seems with the Tokyo Advanced Nurturing High School, and the cruise turns out to be the cover for a series of special tests! What grueling new challenges await them out at sea?!
Story by Shougo Kinugasa and art by Shunsaku Tomose