Classroom of the Elite (light novel), tome 03
Syougo/Shôgo/Shougo Kinugasa et Tomose Shunsaku

Having survived their final exams, Ayanokouji 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?!

Titre original : Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e, book 3