Satomi Oka is worried about his final choir competition but is accosted by a shadowy gangster, Kyouji Narita, who demands karaoke sessions with him.

It focuses on the prequel of Jujutsu Kaisen.

In a world shaped by the dreams we see in our sleep, Zeztz enters people's dreams as an agent on a mission. Equipped with a cutting-edge Rider belt...