The Quintessential Quintuplets manga volume 4 features story and art by Negi Haruba.

Futaro continues to lead the Quints to academic aptitude, but there are some treats in store for him as well! Having nearly missed 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 sisters, 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?

The Quintessential Quintuplets manga volume 5 features story and art by Negi Haruba.

After an eventful school trip, Futaro has come down with a cold. But as the private tutor to five sisters in danger of flunking out, he doesn’t have a moment to waste, and not even an illness can keep him from trying to get the quints to study! One day, a heated disagreement drives a wedge between the girls, and he’s caught in the middle. Will Futaro be able to help solve this difficult problem, or is he just an unnecessary part of the equation? And, just when he’s about to hit rock bottom, Futaro’s past catches up to him…

The Quintessential Quintuplets manga volume 6 features story and art by Negi Haruba.

Futaro Uesugi is doing his best to tutor the quints and keep them from flunking, and things are finally going smoothly. But suddenly, Nino and Itsuki have a falling out, and both girls run away from home! Meanwhile, Yotsuba prioritizes subbing in as an extra for the track team instead of making sure her grades are on track! As if all that wasn’t bad enough, the mysterious girl from Futaro’s photo shows up…Will the sisters and Futaro ever have time to study for finals?!