Undead Unluck manga volume 15 features story and art by Yoshifumi Tozuka.

Fuuko earns the right to sit in the first seat and initiate the loop. However, Sun, the god of the world, finally shows themself and Ragnarøk, the final battle, begins. All the Negators combine their efforts to prevent Sun from destroying Ark before Fuuko can loop. But with 11 minutes until Ark is fully functional, will Andy and the others be able to hold out long enough for Fuuko to succeed?

Undead Unluck manga volume 16 features story and art by Yoshifumi Tozuka.

Fuuko tackles her first task in the new loop - preventing the activation of Unknown and thus saving Akira Kuno from tragedy. Her next goal is to save Gina from falling victim to the same fate that led to her demise in the previous loop. Realizing she'll need help and manpower to prevent everyone's destined tragedies, Fuuko pays a visit to Nico to enlist his aid in building a stronger, better Union. But first, she'll have to convince him that she's not off her rocker.

Undead Unluck manga volume 17 features story and art by Yoshifumi Tozuka.

Fuuko and the others have set out to capture Unavoidable, leading Fuuko to challenge boxing champion Void Volks to a match before his negation abilities manifest. As soon as the bell rings, however, Fuuko finds herself on the receiving end of Void's rushdown. Just as it seems her luck can't get any worse, Unavoidable activates!