It has been 10 years since the Skywall Tragedy.

In the attempt to open Pandora's Box and release it's massive amount of energy capable of destroying the world…

… A new Battle has begun!

Sekai no owari de umareta hikari ima kaze no naka

(rising up underwater rays of light beaming down, as we exit the water we see Sento holding the Rabbit Bottle. He turns to look at us as we zoom in on his eye. His red eye turns blue, then into a rainbow of colors. Scene changes to the Pandora Box as it opens)

IS Infinite Build

Kireigoto dake ja ikirenai

(We move out to the Japan skyline, a massive tower in the center of Japan as we pan up to the sky.)

Yasashisa dake ja iyasenai

(Change to a sky view as every Rider passes by with a concerned look on their face.)

Ubawareta no wa nanda ?

Kawaranai sekai de

(A pair of feet running across the ground jumps off a building, as we zoom out to see Cecilia and the IS girls along with an army attacking the Tower.)

Kikoete kita no wa nanda ?

Shukusai no uta

(Chifuyu reaches out, as she and Sento hold hands, only to change to Katsuragi as he and Sento stand off against each other.)

Everything is bright

(All of the Full Bottles light up, coloring a clear blue skyline.)

Kudakechitta yume o

(Build jumps up, as Sparking rises up behind him. Panning right, we pass Rabbit Rabbit, Tank Tank, Cross-Z, Cross-Z Charge, Akatsu, Akatsu Charge, Grease, Grease Crusher. As Rogue jumps in and kicks the screen.)

Asu no hate ni hibikaseru you ni

(Scene changes to a hidden Winged Rider flapping his wings out, flying past and taking up view is a Glowing Red Dragon Rider. View changes to upper body, their body's still shrouded but with another shadow behind both, as our view is split down the middle.)

Sekai no owari de umareta hikari

Bokura hitotsu ni

(We pass in a flyby of every character not connected to the Riders.)

Ima kaze no naka

(Change to Chifuyu Smiling at the Camera)

(Tabane stares at the screen, as red and blue light color halves of her body.)

(Namba stands with his cane as the same red and blue lights illuminates him)

(Sento stands tall, as his lights are a rainbow illuminating different shades across his body)

Construct 113: The Woman from Mars.

We are Sento… Skywall…

Walking up behind Stark, Houki and I take out our transformation devices. "MAX Hazard ON!" "Sakura jelly!" Inserting the Trigger into the belt, I take out the Full Full Bottle. Houki takes her transformation pose. I give the bottle a quick shake then open it. "Rabbit!" Splitting the bottle I then insert into the Belt. While Houki cranks the Sclash driver. "Rabbit and Rabbit!" Cranking the belt, the press stamp forms then closes. "Are you Ready?!" "Henshin!" We shouted as the Rabbit armor breaks apart then I fly over and attach to them, while the beaker around Houki shatters. "Overflow! Rabbit Rabbit! Yabe! Hayei~!" "Akatsu Charge! Burrah!~" Grabbing hold of the Full Bottle Buster I land on the ground and point my blade at Stark.

Build:(gestures) The Formula to Victory is decided.

Akatsu:(cracking knuckles) I'm stronger than who I was yesterday.

Build:(brings up blade.) Let's go!

Akatsu:(charges Guardians) Right!

Build:(attacks Hard Guardians) We might have to change the way we fight Seito now!

Akatsu and I knock back the Guardians. "Cover me!" I said as Akatsu moves in to distract the Guardians. Opening the Full Bottle Buster, inserting bottles into the Buster. "Rocket! Jet! Just Match Des~!" "But…" I said as I slash away the Guardians. "... That doesn't mean it has to be a full offensive against Seito. There are other ways." I said, Akatsu kicks the Hard Guardian's into each other and I blast straight through the two Hard Guardians. "Just Match Break!" The shot destroys the two Hard Guardians making space for us. Letting out a sigh, I lower my arms down as I turn to Grease.

Build: I've said… I want neither friend nor foe to die.(helmet folds away) Never again… I vowed to fight for love and peace.(looks at ground) It may just be a fantasy… or an illusion…

Aoba phantom:(stepping over)...

Build:(looks at Grease) Even so, I… Both you and I…

Kiba phantom:(steps over) …

Build: All of us have friends…

Akaba Phantom:(steps over) …

Build: I'll do it for Hokuto too. I want to fight… To protect everyone.(clenching fists)

Grease lowers her head, she stands up. "Everyone's saying things like this… I have no time for your pretty words." Grease said, Cross-Z steps over. "But…" Grease stretches and dusts herself off. "Mii-tan did ask me for a favor." Grease steps over to me and places her fist against my shoulder.

Grease:(looks at Build) I've got no choice. I'll fight with you to end this war as soon as possible… But still… Thanks for the pep talk… Sensei.

Build:(helmet folds on) Thank you.

Akatsu:(happy chuckle) Sensei pulls though again…

Grease:(steps back Build) Fan the flames and crush everything!

Cross-Z:(stands up) Round 2 Comeback! Houki, Let's go! Stark is ours!

Akatsu:(draws blades out) Right!

We are Observers…

Grease charges the Kaisers as Build follows behind. "Let's kick ass, Teach!" Grease shouts, the Kaisers put their hands together before blasting fire and ice at the two. "Grease! Behind me!" Build shout, as Grease jumps out of the way. Build crosses his arms as the nanomachines form a shield that blocks the fire and ice. "Switch!" Build shouts, as he steps to the side, Grease's shoulder guns aim and fire at the Kaisers, causing them to guard. "Sweep the legs!" Grease orders as she hops up, Build quickly swings his legs around, stretching it out to flip the two Kaisers.

Engine:(hits the ground) Ugh!... Grr… Forte!(raises hand) Twin Pillar!

Remocon:(raises hand) Right!

Engine and Remocon slap the ground, causing pillars of fire and ice to blast towards Build and Grease. "Break off!" Grease shouts as the Riders jump away from each other. This gives enough time for the Kaisers to get up and charge at the two individually. The four engage each other, at the same time Build tosses the Gatling Full Bottle towards Grease. Grease swings her Twin Breaker around as the bottle slides into the weapon.

"Single! Single Finish!"

Grease points to the Twin Breaker and blasts Remocon. "Tch! Ya~!" Remocon recovers and charges Grease, hitting her. "Not enough…" Grease mutters. "Totally not enough!" Grease exclaims, as each punch and kick thrown at her is not affecting her at all. "Accomplish!" Grease shouts dodging a fist coming at her, then hitting Remocon in the right side of her ribs. "Conquer!" Grease shouts, now punching the left ribs of Remocon. Remocon attempts to grab Grease. "Crush!" Grease shouts, ducking under the attack, and suckerpunching Remocon in the guts as she runs past. Grease then switches the jelly out for the Bear Full Bottle.

"Charge Bottle! Uncrushable! Charge Crush!"

Grease turns around, she raises her arms up, as golden liquid forms releases form the gauntlets. They form into massive bear claws. Grease then uppercuts Remocon and proceeds to slam her between Grease's bear claws with an explosion quickly following. "Someone satisfies me!" Grease screams into the air as Remocon drops to her knees.

Remocon:(gasping) Well… since you're in the mood…(takes out bottle) Rain!(tosses bottle) Catch!

Engine:(catches) Thanks darling. Step back, it's my turn.

"Gear Remocon!"

Engine:(points gun) Jundo!

"Funky Match! Fever!"

The gears fly off of Remocon and attach on to Engine completing Hell Bros form. "Perfect!" Forte quickly rushes off into cover. Build steps over next to Grease. "Madoka." Build asks, "Let's defeat them… Together." Grease said not breaking her sight on Hell Bros. Grease reaches back and pulls out 3 nebua bottles, as Build opens his Buster.

Grease:(looks at bottles) I'm borrowing your powers.

Build:(pulls out bottles) Ready?

Grease:(nods) Ready.

Build and Grease insert the bottles into their respective weapons. Build inserts the Full Full Bottle. "Full Full Match des!" While Grease inserts Owl and Kuwagata bottles into the Twin Breaker. "Twin!" Finally inserting the Castle belt into the Sclash Driver, "Discharge Bottle! Uncrushable~! Discharge Crush!" Hell Bros prepares gears of Fire and Ice to launch at the Riders. "Twin Break!" "Full Full Match Break!" Build and Grease charge at Hell Bros, the two swing their weapons at the gears. As the two push against the gears trying to break though, an affirming pair of hands are placed on their backs.

Akaba:(smiles) …

Aoba:(smiles) …

Kiba:(smiles) …

With a silent push, the warmth fades. But the Riders charge ahead, cutting the Gears into pieces, they rush in and slash Hell Bros, the attack doesn't knock her away, but Hell Bros falls to her knees, as her suit attempts to repair the damage. Build and Grease exchange hitting each other's gauntlets with their fists clench as if it were a handshake.

Cross-Z:(kicks Stark back) Nowhere left to run, Tabane!

Akatsu:(Grabs Stark and kicks her in the ribs) All out of tricks? Looks like it!(tosses Stark back) Time to finish this!

Cross-Z:(he and Akatsu exchange a nod) Hell yeah!

The two Riders crank their belts for a finisher. "Scrap Break!" The two are about to charge when, "Stop right there!" "Eh? What- Laura! Chloe!" Cross-Z shouts as we turn around to see Forte holding the two at gunpoint as they approach. "Don't make me do this." Forte said as she tossed Larua's IS and Chloe's pistol away into the shrubs.

Akatsu:(looks over) Laura!

Build:(shocked) Chloe!

Grease:(worried) Mii-tan's!

Forte:(presses gun against Chloe's head) Give us your Bottles. Hurry!

Laura:(looks at Build) Sento! Somethings wrong with Chloe! She-

Just then Chloe's bangle begins to glow again, this time the light coming from Chloe's entire body. The light is so bright it blinds us all for a moment. The light fades, as Chloe opens her eyes to reveal her eyes are now a regular white with lime green pupis. "Her eyes…" Build mutters, flashing back to his battle with Rogue at the Skywall. A arua of golden energy quickly blows Forte away. "... Chloe-nee?" Laura mutters looking at Chloe's aura.

Chloe?:(voice echos) My name is Bernage… The Queen of Mars.

Construct 113 Complete…

Next Time! Kamen Rider Build!

Stark invokes an otherworldly power!

Tabane:(smiles) Now things are getting interesting!

An assault on the Pandora Tower…

Sento:(shaking bottles) I'll get Pandora's Box back…

Chloe: I've found out something unbelievable.

Ichika… Is the last Hope?

Bernage: Ichika… You will be the last hope.

Construct 114: The Truth of Pandora's Box.