The Quintessential Quintuplets (“Five Equal Brides” or “The Five-Fifths Bride(s)) 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 into fourteen 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 identical 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.
The series is published in English by Kodansha USA under the Kodansha Comics imprint. The anime series is licensed in North America under a Crunchyroll–Funimation partnership. An anime television series adaptation produced by Tezuka Productions aired from January to March 2019 on TBS and other channels. A second season produced by Bibury Animation Studios aired from January to March 2021. The second season’s sequel, The Quintessential Quintuplets Movie, was released as a film in May 2022.
The series was a commercial success; as of December 2022, the manga had over 20 million copies in circulation, making it one of the best-selling manga series. In 2019, the manga won the award for the shōnen category at the 43rd annual Kodansha Manga Awards.