The Quintessential Quintuplets is a Japanese manga series written and illustrated by Negi Haruba. It was serialized in Kodansha's Weekly Shōnen Magazine from August 2017 to February 2020, with its chapters collected in 14 tankōbon volumes. The series follows the daily life of a high-school student Futaro Uesugi, who is hired as a private tutor for a group of quintuplets: Ichika, Nino, Miku, Yotsuba, and Itsuki Nakano. At the very beginning of the story, it is shown that the events are being told in a flashback, while an adult Futaro prepares to marry one of the Nakano Quintuplets whose identity is only revealed near the end of the series.