01. Case1: Start
No details
02. Case2: Explode
No details
03. Case3: Erode
No details
04. Case4: Rob
No details
05. Case5: Crash
No details
06. Case6: Imprison
No details
07. Case7: Punish
No details
08. Case8: Serve
No details
09. Case9: Poison
No details
10. Case10: Vanish
No details
11. Case11: Rot
No details
12. Case12: Impact
No details
13. Case13: Extinguish
No details
14. Case14: Thunder
No details
15. Case15: Lighten
No details
16. Case16: Escape
No details
17. Case17: Pursue
No details
18. Case18: Shoot
No details
19. Case19: Decide
No details
20. Case20: Presage
No details
21. Case21: Burst
No details
22. Case22: Revenge
No details
23. Case23: Destroy
No details
24. Case24: Break
No details
25. Case25: Get Started
No details
26. Case26: Gather
No details
27. Case27: Play
No details
28. Case28: Rage
No details
29. Case29: Trick
Baku meets Minami, who has become an agent, in a dream. Baku helps Minami with her mission to find a lost cat, but they are attacked by a Nightmare, and he wakes up.
A "Black Case" has occurred in which Minami has grown a cat's tail. When Baku falls asleep again, he challenges the Nightmare to battle in order to save Minami, but...!
30. Case30: Order
Minami is a CODE agent... Upon learning the truth, Baku is disappointed and furious, realizing that Minami had merely been "pretending to be family."
In his dream, Minami is transformed into the Cat Nightmare once again. Baku transforms into Zeztz Catastrom and, despite knowing her true identity, attacks the Cat Nightmare...!?
31. Case31: Afflict
"You will be eliminated by CODE..." After receiving this ruthless verdict from Zero, Baku infiltrates Zero's dream. Attacked by a mysterious black Zeztz, Baku is forced to confront a terrifying truth! Meanwhile, Sieg, plotting to use Nem, lures her into the Nightmare Prison. Terrified by countless Nightmares, Nem is cornered by Sieg...!?
32. Case32: Overcome
Zero, his biological father, had been using his son, Baku, for Zeztz's sake. Unable to accept his own cruel fate, Baku is tormented by his inability to understand Zero’s true intentions. Will Baku be able to overcome this nightmare…!?
33. Case33: Realize
Sieg turns Nem’s nightmare into a prophetic vision, causing the Nightmare to manifest in the real world and attack civilians; witnessing the chaos, Baku uses his damaged Zeztz Driver and attempts to transform with a Capsem, but something goes wrong as he struggles to become Zeztz.
34. Case34: Infiltrate
Revived, Baku enters the depths of Sieg’s psyche—driven by an obsession with Nem’s nightmares—and uncovers the truth behind his past; after identifying the Nightmare within him, Baku confronts Sieg once more, leading to a decisive battle between Zeztz and Dawn.