Opening:

(Location: Beryl's castle)

Queen Beryl: You're all useless!!!

Nephrite: my queen they-

Beryl: You can't even get the energy or the silver moon crystal!!!!

Kuznite: Blame Kuuga! If it wasn't for that Rider, we'd have the crystal-

Beryl: EXCUSES!!!!!!!!!!!

???: excuse me, I can't help but overhear that you're having trouble with a rider?

Beryl: who are you?!

(A cloaked figure steps out of the dark with something around his waist)

???: just a man with a hatred for Riders, now, considering we have a common enemy, I wouldn't mind lending you a hand...what do you say?

Beryl: very well, don't fail me.

???: I don't intend to...

(??? Leaves...)

(Location: the city...)

Usagi: Onodera-Kun! Ami-Chan, Mako-chan!

Iron: Mornin' Usagi.

Makoto: Atta Girl, you didn't overslept today.

(On the way to school...)

Usagi: recently I've been having bad dreams ending in me waking up early and not going back to bed.

Iron: well, let's hear it.

Usagi: well... I keep seeing some man in mysterious armor fighting some other warriors....

Iron: interesting...

Usagi: (who is that mystery ma-)

(Usagi bumps into someone!)

Usagi: ooof!

Iron: usagi, you alright?

Usagi: owie....

???: I'm sorry, i wasn't watching where I was going...

Iron: who are you?

???: just a man who wanders the world following the sun, I'm Kohtaro.

Iron: Iron Onodera...

Kohtaro: you students watch yourselves.

Iron: we will.

(The quartet walk off)

Kohtaro: (be careful...Kuuga...)

(Much Later...)

News reporter: a man going by Tuxedo mask has been committing several crimes just to acquire the legendary silver crystal.

(Arcade, Time: Night)

Makoto: this has really become a huge mess...it's obviously a trap...

Usagi: (where's Ichi? I asked him to meet us here to discuss plans...)

(Meanwhile...)

Iron(Ichi): Almost there....

????: Yah!!!!

(Someone kicks Iron/Ichi off of his motorcycle!)

Iron(Ichi): the F?!

(A silver armor man steps forward)

???: so, you're Iron Onodera...Kuuga...

Iron(Ichi): w-who are you?!

???: Just call me, Shadowmoon, Queen Beryl sent me to take care of you.
Though, I'm feeling generous today...

(Shadowmoon takes out his sword!)

Shadowmoon: Stay out of our way, or I will sever your head from your body...

(Shadowmoon leaves!)

(Later, Ichi arrives at the meetup location)

Iron(Ichi): sorry I'm late, I had things to do.

Ami: it's alrigh- huh?

(The Civilians outside start to get drained of their energy!)

Ami: sorry Ichi, we should take action.

Ichi: I understand.

(The Sailor guardians head out followed by Luna)

Iron(Ichi): Well, since they're off...

(The arcle forms around Iron's waist)

Iron(Ichi): HENSHIN!

(Iron transforms into Kuuga and drives off)

???: heh heh heh, their energy is mine!

Rei(Sailor Mars): I've never felt such an evil aura before...

(A woman appears from out of a dark vortex)

???: Sailor Guardians...I am Queen Beryl, I command the 4 kings of the dark kingdom...now perish...

(Queen Beryl tries to fire a magic attack but something shoots her hand!)

Queen Beryl: Agh!

(Iron/Kuuga arrives in Pegasus form)

Iron(Kuuga): Back off, Hag!

Queen Beryl: Grrr...Kuuga...Shadowmoon, Take care of him!

(Shadowmoon arrives)

Shadowmoon: I told you to back off, Rider...but you didn't listen, These moments will be your last!!!

(Shadowmoon charges at kuuga and the two fight, though Shadowmoon pins kuuga down)

Shadowmoon: any last words, Kuuga?

Iron(Kuuga): You bring shame to the moon!

Shadowmoon: DIE!!!!

???:HOLD IT!!!

Shadowmoon: that voice...Impossible!!!!

(Kohtaro steps forward!)

Kohtaro: still picking on innocents, Shadowmoon, stop this!

Shadowmoon: You won't stop me, Kohtaro!

Kohtaro: you left me with no choice....

(Kohtaro removes his Jacket, revealing a belt of some kind!)

Iron(Kuuga): Is he a....

Bgm:

(Kohtaro poses then...)

Kohtaro: HEN...SHIN!!!!!!

(Kohtaro transforms into a rider!)

Iron(Kuuga):EH!?

Kohtaro(???): I am the child of the sun! Kamen Rider! Black! RX!

Iron(Kuuga): Rx?

Shadowmoon: Grrrrr....

(Shadowmoon starts fighting Kohtaro/RX!)

Iron(Kuuga): RX, take care of Shadowmoon, I'll take care of things from here!

(Rx & Shadowmoon fight!)

(Basically this fight without the hostages)

Iron(Kuuga): as for you...

????: grrrr...DIE!!!!

(Iron/Kuuga jumps into the air entering Mighty form while doing so!)

Iron(Kuuga): Yah!!!!

(Iron/Kuuga delivers a mighty kick to the monster!)

Monster: Queen Beryl...I've failed you!!! Forgive me!!!!

(The monster explodes!)

(After the battle...)

Iron(Kuuga): thank you for your aid, RX...

Kohtaro(Black RX): Riders help riders...whether showa or heisei...

Iron: Heisei?

Kohtaro(Black RX): I'll explain it some other day, now farewell, Kuuga and Sailor Moon.

Iron(Kuuga) & Usagi/Sailor Moon: yes?

Kohtaro(Black RX): you take care of each other...

(Iron blushes under his helmet and Usagi just blushes)

Iron(Kuuga): it isn't like that!

(Black RX drives off on his motorcycle...)

(To be continued...)

(Note from the author: This was my first attempt at replicating a Showa rider, so my apologies if I didn't pull it off, this chapter was my first attempt, so, if you guys don't like it, I sincerely apologize)