A juicy tutoring gig falls in the lap of poor high school second-year Futaro Uesugi…but it turns out his prospective pupils are his classmates?! And they’re quintuplets?! All five are gorgeous, but they’re problem students who hate to study and are on the verge of failing! Can Futaro help these idiosyncratic sisters make it to graduation? Futaro Uesugi is hired as a tutor to help a set of beautiful quintuplet sisters who hate studying and are on the verge of flunking out successfully graduate. But now it's time for the final event of their high school careers: the school festival. These three days will have an enormous effect on the lives of Futaro and the quintuplets! Their adolescence and romance hit their peak in the thirteenth volume of The Quintessential Quintuplets!!

Yotsuba, who was saved by her sisters in middle school, swears to hide her feelings for Futaro for her sisters’ sake. In addition, Ichika takes a leave of absence from school in order to further her acting career … But after their tumultuous summer ends, the new school term begins, setting the stage for the final event of their high school lives: the school festival!

A juicy tutoring gig falls in the lap of poor high school second-year Futaro Uesugi…but it turns out his prospective pupils are his classmates?! And they’re quintuplets?! All five are gorgeous, but they’re problem students who hate to study and are on the verge of failing! Can Futaro help these idiosyncratic sisters make it to graduation? Futaro was hired to guide a set of beautiful quintuplets who hate studying and are on the verge of flunking through graduation. Now, the final event of their high school careers, the school festival, is reaching its conclusion. Whose feelings will be requited, and whose hearts will be broken?! The story of the carefree, vibrant schooldays of Futaro and the quintuplets finally reaches its final volume!!

Futaro continues to lead the Quints to academic aptitude, but there are some treats in store for him as well! Having nearly missing his long-awaited school trip, Futaro tries to make the best of the situation and works on getting closer to all five girls. After getting a tip from one of the Quints, Futaro takes a different approach to getting the girls interested in their studies. Will they accept him into their lives...? Or will this really be the end of his short tutoring career?

Yasuke, 15 years old, is about to build up the courage to confess his love to his childhood friend Akari, who’s fallen for him, too. There’s just one problem: Yasuke’s family lives in a Japanese shrine, and when he breaks the shrine’s sacred mirror, it triggers a curse, releasing the cute and well-endowed goddess of misfortune, Orihime, into the real world! Now Yasuke can’t ever be out of Orihime’s sight – if he gets too far away, he dies, and can only be brought back to life with a quick kiss from Orihime!