UQ Holder! manga volume 16 features story and art by Ken Akamatsu.

Just as Tōta and Kirië are about to make their way back from Kyoto, the Senkyōkan is attacked by none other than Tōta’s younger sister, Cutlass! While Jinbei and Makabe manage to keep her attacks at bay, Cutlass soon reveals that the orbital elevator is the target of an impending nuclear missile attack—which claims the lives of over ten thousand civilians. Tōta, Kirië, and the rest of UQ HOLDER travel back in time in order to stop the attack from happening, but has their time already run out…?

UQ Holder! manga volume 17 features story and art by Ken Akamatsu.

Tōta and the rest of UQ HOLDER successfully travel back in time and stop the nuclear missile from hitting the orbital elevator…but just as they do, they discover that another attack is headed their way! And with Kirië’s save point destroyed, it means that this time, there are no do-overs. With only one chance to save humanity from destruction, can Tōta figure out a way to save everyone, or will it take a great sacrifice to avert an even greater disaster?

UQ Holder! manga volume 18 features story and art by Ken Akamatsu.

After viewing Chachazero’s memories, Tōta learns more about Negi Springfield and Evangeline’s mysterious pasts, as well as their efforts to defeat the seemingly indestructible Ialda Baoth. Determined to save the world now more than ever, Tōta resumes his training with Kurōmaru—and the two soon discover that they must enter a special contract in order to obtain the power they seek. But with Kurōmaru’s conflicting feelings for Tōta only growing stronger, he soon finds himself at an impasse that could jeopardize their friendship forever…

UQ Holder! manga volume 19 features story and art by Ken Akamatsu.

The day of Karin’s reckoning has come, as she must confront her own demons and finish her centuries- long battle with Evangeline. But who is needed to finally settle these old scores? What’s more, this isn’t the only dark past that will come back to haunt the members of UQ HOLDER, as the lines between good and evil become more and more blurred. Amid the cosmic clash of forces, the members of UQ HOLDER become further entangled with new contracts, new pactios, and all that comes with them. It’s both hard and easy to forget when you live so long…

UQ Holder! manga volume 20 features story and art by Ken Akamatsu.

A flurry of pactios and bombshell revelations seem to have things looking up for UQ HOLDER. The team is united in trust and strength, and appears to be closer than ever behind Tōta’s fearless leadership as they stare down one of their most intense battles yet. But nothing is ever as simple as it seems, and as they look out towards the next battle, their enemy may in fact be closer than they think…