K: Seven Stories Movie 4 - Lost Small World - To the Other Side of the Cage

Lately, the stress of having to constantly keep his destructive power under control is causing the Red King Mikoto Suoh to become unstable. Meanwhile, Reisi Munakata is chosen by the Dresden Slate to become the new Blue King.

Gouki Zenjo, former right-hand man to Jin Habari and a survivor of the Kagutsu Incident, returns to work for SCEPTER 4, now under the command of Reisi Munakata, the new Blue King.

Sukuna Gojo is a boy who ran away from his wealthy home after becoming disgusted by his controlling parents. Since then, heÍs been surviving alone on the streets using an SNS app called JUNGLE, which grants its user unnatural power and abilities.