Even though Uzui has announced with great confidence how to carry the coup de grace to the duo of the 6th upper moon, the fight is far from won. Daki and Gyutaro attack with fury and demon fighters must tighten the ranks. Will Uzui end up like Rengoku, killed by a higher moon? What is the trauma that caused Daki and Gyutaro to lend allegiance to Muzan and renounce their humanity...?