Go-Toubun no Hanayome

From Kodansha:

One day, a poor high school second-year named Futaro Uesugi comes across a private tutoring gig with good pay. But his pupils are his classmates! And they’re quintuplets!! They’re all gorgeous girls, but they’re troublemakers who hate to study and are on the verge of flunking out! And his first task is simply gaining the sisters’ trust? Every day is a party! The curtain is rising on the Nakano quintuplets’ quirky romantic comedy with five times the cute.

Official English: Azuki, INKR, Kodansha

Note: Won the 43rd Kodansha Manga Award in the Shounen Manga category in 2019.