Scarlet Nexus (Original Japanese Version)

Kagero provides more info on the Ark mission and explains the Extinction Belt's origin. A new threat stalks the platoons, but their escape route is even more dangerous. They must decide their next step once Togetsu's ultimate objective is revealed.

Nagi confronts Yuito's platoon. Arashi has a plan. Yuito's brother tells him the truth about their family. Yuito prepares to expose New Himuka's agenda. Kasane's platoon receives shocking news as they prepare to approach Seiran's leadership.

Suoh prepares to deploy Naomi, Alice, and the rest of the human-derived Others. Kasane's platoon rushes to stop them. Yuito's platoon ventures into Arahabaki to broadcast the secretly recorded video to the public. Karen uses his Brain Eater power.

After stealing Kasane's power, Karen sets his sights on Yuito's. Yuito's broadcast triggers unrest. Yuito's platoon hatches a plan to save him. The New Himukan government orders a lockdown. Fubuki escapes, but will he reach Yuito in time?

Fubuki and Yuito's platoon exchange info. Fubuki recounts the past he, Alice, and Karen share and explains what happened to Alice and why Karen is taking desperate measures. Yuito's platoon forms a plan to stop Togetsu. Kagero makes a shocking confession.

Kagero explains what's behind his actions. Yuito and company learn what really happened the day Chairman Sumeragi was killed. Yuito and Kagero have a reckoning. Yuito and Kasane's platoons infiltrate Togetsu again, but little do they know what's in store.

Yuito and Kasane learn about their mother's past as their platoons continue their mission to shut down BABE. Kasane travels to the past to meet with someone who knows about the Red Strings, but when she returns to the present, she's not alone!

Yuito and Kasane spend some quality time with their mom. After she tells them about dimension entanglements and the Kunad Gate, Yuito and Kasane set off to unravel them. Will they succeed and return safely? And what is their mother not telling them?

Wakana's return to her own time doesn't have the intended result. Yuito and Kasane have a new and complex entanglement to deal with. Yuito meets Kaito for what could be the last time, but will he give him what he wants? Fubuki comes to the rescue.

All hell breaks loose when the Extinction Belt descends to a record-low elevation. Kaito resumes his post as the Others threaten to overrun Suoh. Yuito and company head into the Sumeragi Mausoleum to unravel the last entanglement.

A shock awaits Yuito and company when they confront Karen in the mausoleum. Can they convince him to help? Yuito and Kasane deal with their regrets over what happened to Nagi and Naomi, and they must take drastic measures in an attempt to save the world.

Yuito and company try to convince Karen to help save the world. A bold plan is hatched to kill two birds with one stone, but is Yuito up to snuff? Karen makes a fateful decision to try one last time to travel back to the past and change the future.

Yuito begins a new journey, and Kasane is tasked with a new mission. Promotions and new challenges await their comrades. But as they each go their separate ways, will anyone remember Karen's sacrifice or that he even existed?