"Paradise Lost" is the story of an alternate timeline for Kamen Rider 555.
In this timeline, the Smart Brain Group successfully developed a substance that rapidly converts humans into Orphnochs. As a result, 99% of the world's population had been turned into Orphnochs, leaving only a few thousand humans surviving.
Crucially, the Delta Driver, the strongest of the three Rider belts, was stolen back by Smart Brain and upgraded into two even more powerful Emperor's Belts. The wielder of the Belt of the Sky was the legendary Kamen Rider Psyga.
Raven had always been interested in those two belts. This opportunity to enter such a parallel-world Sub-World was definitely a chance to satisfy his collector's obsession.
However, carrying so many belts into the Sub-World would be a hassle. The Faiz series belts and their accessories are large, and he didn't have the four-dimensional storage of later Riders. Raven suddenly tried asking, "System, is there any way for me to get a storage space or something?"
[The Host can temporarily unlock the System Space to store items when entering a Sub-World,] the System replied.
"System Space? Why didn't you tell me about this great feature sooner!" Raven was instantly displeased, realizing the system had been holding back this function. He'd been inconvenienced several times carrying two belts whenever he went out.
[The currently unlocked System Space is only available for use within a Sub-World. To unlock the complete version, the Host must complete the Sub-World Quest,] the System added.
"Well, even if it's just for this System Space, I have to conquer this Sub-World," Raven thought happily.
But immediately, another important question came to mind.
"System, if I run into Yuka in that world, what am I supposed to do… I can't just ignore her." Raven knew that if he encountered the alternate-world Yuka, he would definitely try to save her. But what would happen when he left? He couldn't just take a living person back with him, and even if he could, what would happen if two Yukas met?
[This issue has been taken into consideration. The Host will know once you arrive,] the System replied, keeping the answer ambiguous.
[Sub-World is now initiating…]
[Countdown: 3… 2…]
[1…!]
Whoosh!
Raven, his Junglaider, and the three Rider belts all vanished simultaneously.
....
The Paradise Lost World.
This was a vast, abandoned amusement park. Due to the drastic decrease in the world's population, most urban facilities were left untended and had fallen into ruin. Currently, about two thousand humans lived in this camp. The human resistance was their only hope for survival.
In a marketplace, three figures walked along, distinctly out of place among the survivors. They were the alternate-world versions of Yuji Kiba, Naoya Kaido, and Yuka Osada.
"Stay away from them! They're Orphnochs…" A mother quickly pulled back a child who was about to go up and say hello. The surrounding people maintained a wide distance from Kiba and the others.
Kaido noticed the attitude of the people and was clearly annoyed, but Kiba didn't let it bother him. Yuka, however, was completely distracted.
"Am I dreaming? How did I end up in a world like this… where all humans have turned into Orphnochs?" Yuka questioned internally. "Where is Mr. Raven…"
The events were so bizarre that Yuka still felt everything before her was a dream. She believed the world she had just left was the real one.
"Yuka, what's wrong with you? You've been spacey all day," Kaido noticed her change in demeanor.
Yuka shook her head, saying she was fine.
After walking for a bit, Kiba stopped at a vegetable stall, intending to ask for the price.
"I can't sell this produce to you…" The vegetable vendor, an elderly woman, looked at Kiba and the others with hostility.
"Why not? We have money!" Kaido retorted, utterly frustrated. He was fed up with the disdain from these people.
"You're Orphnochs, aren't you?"
"So what? What are you trying to say?" Kaido glared at the woman.
"We only do business with humans. We have nothing to sell to you." An old man wearing a straw hat nearby said nervously. "Get back where you came from!" He even shoved Kaido.
Kaido instantly snapped, his face shifting into his Orphnoch form, ready to explode, but Kiba immediately restrained him.
—————
Note: The Sub-World is mainly for collecting things that don't exist in the main world. The issue with the heroine has been mostly avoided. Yuka traveled with the protagonist, replacing the alternate-world version of the character, and will leave with him when he goes. The original character in the Sub-World will then also disappear.
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