Sensei go to Gehenna while the riders follows him.

"Why did the Jyamato appears when we have not yet at the area!" Says Keiwa.

"I don't know, but my students is in danger!" Says Sensei.

"Well seems like one of us is there." Says Ace.

They continue to go to Gehenna.

At Gehenna.

The Buffalo rider keeps slashing and attacking the Jyamato, and saving some students.

"W-who are you." Says Iori, at the back watching with the rest Prefect Team members.

"Buffa..." Says the Buffalo rider, who keep attacking the Jyamato.

Later, Sensei and the riders arrived to Gehenna.

There are some Jyamato in the area but not alot.

"Well let's go!" Says Ziin, who pull out the Laser Raise Raiser.

Set.

Ziin Set.

"Henshin! " Says the riders.

Magnum.

Ninja.

Beat.

Ziin Loading.

Ready, Fight!

They all transformed and go to fight the Jyamato.

As they fights the Jyamato, Sensei go to his student to make sure they're safe.

"Took you long enough, Geats." Says Buffa.

"I have expected you're here, Buffa." Says Ace.

"Wait, Michinaga!" Says Keiwa.

"What!" Says Neon.

"Wait, you know him!?" Says Sensei.

The fight continues, some students is injured while they're being brought to the hospital bed.

"Head Prefect!" Says Chinatsu, as she come into the office but she see no one, "Where is Hina..."

Then a student with a soft blue hair come in, Amau Ako, rushing, as she only see Chinatsu and no sign of the Head Prefect.

"Where is Head Prefect Hina?" Says Ako.

Chinatsu replied with "I don't know, she is not here when I come in!"

Back to the battle.

Poison Charge.

Tactical Break.

Round 1-2-3 Fever!

Tactical Finish.

Buffa and Keiwa slashes some Jyamato.

Set.

Great.

Ace and Keiwa used the Raising Form, and slashes some Jyamato.

While Sensei has taken the students to safety, and meet up with Ako and Chinatsu.

"Chinatsu! Ako! Wheres Hina!" Says Sensei.

"She is not here right now!" Says Ako.

"We don't know why!" Says Chinatsu.

"What!" Says Sensei.

"Wait what!?" Says Iori who is at the right of them.

"Oh, I didn't see you there, Iori." Says Chinatsu.

Back to the battle.

Take off complete, Jet & Cannon.

Ace and Keiwa used Command form, Ace used Cannon and Keiwa used Jet this time.

Buffa slash a Jyamato and it drop a !Box, and it has a Boost Buckle inside.

Set.

Zombie, & Boost!

Ready Fight.

Buffa used Zombie Boost Form, and kick some Jyamato.

"There some students in the middle, by the way." Says Ace.

"I'll get them!" Says Ziin, who jump up and stand on the wall of the building and runs toward the Jyamato, blasting them, before saving the students.

The Students are being treated by Chinatsu, and a student with a white hair, Himuro Sena, the head of the Medical Emergency Club, at the Medical Emergency Club.

"What even are these monsters anyways?" Says Iori.

"They're Jyamato, They're pretty tough to defeat with normal firearms or weapons, only Kamen Rider can defeat them." Says Tsumuri.

"Who are you?" Says Ako.

"My name is Tsumuri, the navigator of the Desire Grand Prix." Says Tsumuri.

"Desire Grand Prix?" Says Chinatsu.

Back to the battle, the riders keep fighting the Jyamato.

Set Fever!

Golden Fever! Jackpot hit, Golden Fever.

Neon used Beat Boost Form.

"Now we're cornered them now." Says Ace.

"Enough with the talk, just finished them then." Says Buffa.

Boost Time.

"Michinaga is right, we need to defeat them before they escape!" Says Keiwa.

Lock on!

Finish Mode.

Beat, Golden Fever Victory!

Command Twin Victory!

Laser Victory.

Zombie, Boost, Grand Victory.

Buffa's Boost Striker come in and become a Buffalo, and Buffa stand on it as it went straight toward the Jyamato, while Ace and Keiwa fly and slashes many Jyamato, and Neon runs and slash with fire coming out of the exhaust pipe, while Ziin is on the wall of a building and shoots the Jyamato with a laser attack, and Butfa jump up and punch some of them before kicking them while hands come out of the ground pinning the Jyamato in place, and defeating them all at once.

They all detransformed.

The students has returned to normal life, while the Prefect Team asking Sensei about something.

"Sensei, what even was that!" Says Iori.

"Yeah, what even is a 'Jyamato' monster anyways?" Says Ako.

"Is head prefect Hina gone?" Says Chinatsu.

"I don't know where Hina is, but the explanation for the Jyamato and what happen is." Says Sensei, about to explain.

With the Riders.

"Michinaga, how did you ended up here?" Says Neon.

"I was doing my business eating steaks, then a portal appears and sucks me in." Says Buffa/Michinaga.

"I was right when I says 'one of us is there' and there something we haven't seen yet..." Says Ace.

DGP RULE

BOOST CAN BOOST

OTHER BUCKLES