Previously on Let the experiment begin. After some stuff went down and an argument with Akira and Ryu. Akira found that Saji was Kamen Rider Grease and challenge him to a fight. What will happen next?
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Akira was in class just looking out the window doing some long thinking

Akira's thought: "Ok so first Ryu got owned by Blood Stalk and now Saji challenge me one on one. Great."

Timeskip

Class ended and Akira was talking to himself

Akira: "Great why did I have to fight someone?" However that was when Ryu heard it

Ryu: "Well looks like I heard about fighting?"

Akira: "Oh hey Ryu hows your injury?"

Ryu: "Nothing bad also thanks now I dealt with a woman who couldn't stop asking to sleep with me. I said I won't mind but when I woke up she was naked." He blushed when he said the last sentence

Akira: "TMI dude Tmi."

Ryu: "Sorry. But what did you say about fighting someone?"

Akira: "Yeah I'm fighting Grease."

Ryu: "Wow That was straight forward."

Akira: "Yep also Grease's identify is Saji."

Ryu: "Who?"

Akira: "Here." He gives a photo of Saji

Ryu: "Umm dude do you always have photos of guys?"

Akira: "No."

Ryu: "Ok then do you think you need anything?"

Akira: "Naw but umm also I'll be stepping away."

Ryu: "Ohh no not this time-" Then a Akeno just tackles hugs him which was the best timing for Akira to bolt out of the room

Akira: "Thanks God."

Ryu: "Damn you Akira."

Timeskip

Akira was at where Saji told him to meet up and sees he's already in Grease

Saji: "I never thought you would show up."

Akira: "Come on lets just end this now and become friends!"

Saji: "Ha like that'll ever happen."

Akira: "Your funeral." Then he pulls out the build driver and the rabbit tank sparkling Fullbottle

Akira: "Now shall we begin the experiment?" He opens the tab on the sparkling and insert it into the driver

Rabbit tank sparkling!

Akira twist the crank

Are you ready?

Akira: "Henshin."

Shuwatto Hajikeru! RabbitTank Sparkling! Yea-Yeahhh!

Then the two proceeds to fight with Akira having the advantage but then Saji uses the twin breaker and inserted the robot jelly into the twin breaker

Single finish

Then gold lightning shot at Akira at a rapid pace causing him to fall to the ground

Saji: "Give up?"

Akira: "No."

Saji: "Shame I could have let you walk away but you refused oh well."

Akira: "If that's how you want to play then." He pulls out the hazard trigger

Hazard on!

Akira then inserts the hazard trigger and twist the crank

Gata Gata Gotton! Zuttan Zutan!

Are you ready?

Akira: "Build up."

Uncontrol Switch! Black Hazard! Yabei!

Akira: "Now then." He went on the attack while Saji has to keep dodging

Saji: "What the hell is he?"

Akira then recieved. He tries resisting but he couldn't so he pressed the button on the hazard trigger.

Max hazard on!

Akira was now an unresponsive monster who went on the offensive and his attacks kept getting deadlier while his hazard level kept increasing. Then Saji was getting pummeled as then Akira twist the crank

Gata Gata Gotton! Zuttan Zutan!

Ready go! Overflow!

Akira then dealt powerful punches and kicks to where Saji's armor disappears as he was on the ground with a bit of injuries but that didn't stop Akira as he grabs his head and then knees him continuously

Saji: "S-stop I surrender, I surrender!" No reply from Akira as he was about to punch him until a magical circle appears and Sona grabs Akira by the arm

Sona: "Akira stop it!"

To be continued

Next time on Let the experiment begin

Akira: "Gah!!!" He delivered a punch to Sona in the guts

Saji: "You monster..."

Akira: On the ground crying "N-no..."