1 - 20 of 241 Works in Nene-Robo (Project SEKAI)
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You Two Should Have Read the Fine Print by Anonymous
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game), Vocaloid, UTAU (Audio Database)
10 Oct 2025
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Summary
Len Kagamine has died one too many times in various songs that had involved him and his sister.
Looking for a peaceful school life after suffering countless unbearable deaths, Len Kagamine and his rightfully overprotective twin sister Rin Kagamine signed up to head for Kamiyama High School.
One small problem.
Everyone in that school and the surrounding area are deranged yanderes - except one Rui Kamishiro, ironically, who is actually pretty sane despite his eccentricities.
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THE Big Dick Debut by snowsnowsnow for jesus
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
10 Oct 2025
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Summary
Dni if you can read /j
I’m only uploading this here cause Notion put limited blocks on mobile and my girlfriend needs real time updates on this beautiful fanfic + a pretty place to read it all
Also up to chapter 19 of this fanfic are planned (loose plot at least) but I write at the pace of literally any person ever walking in front of me when I’m in a hurry (but just know it gets fucking crazy) -
The Creation of Rui-borg by Supernovae209
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
09 Oct 2025
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Summary
Rui has made drones, time machines, and fully sentient robots. He could say he is a master in robotics, but there is a form of robotics he has never explored; biorobotics.
Series
- Part 8 of Novae's Whumptober 2025
- Language:
- English
- Words:
- 819
- Chapters:
- 1/1
- Kudos:
- 1
- Hits:
- 16
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I love Rui. by Pomepomelo
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
28 Sep 2025
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Summary
What if “i love atsushi” (THE bsd fanfic) had a project sekai version? Lo and behold, “i love Rui” ! Basically, I’ll try to update a fanfic with the most atrocious tags and plots ever in October for kinktober once a week. originally I wanted to make it once a day but I don’t think I can so yeah… also, it’s not really clear if Rui has a dick or a pussy here since it changes as the fic goes on. . . This is also a way to express my love for him~
(RUI X FEM!READER)
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a new encounter (ruikasa :D) by hatsuneleekuu, zestyorang
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
25 Sep 2025
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Summary
What could be worse than your average office romance? Your average office romance with more drama, homicidal robots, and two twins that are worse than hell and all your worst fears. Tsukasa Tenma, head of the office IT support at VIRTUAL SEKAI (a tech company), is bored out of his wits. That is, until his bosses, MEIKO, KAITO, are all mysteriously busy, leaving him to babysit the twins Rin and Len. During this fun torture session, KAITO comes in with a new intern for him to train. After seeing the new employee, Tsukasa realizes that he just experienced what people call “love at first sight”.
or
Tsukasa basically just falls in love with the new employee Rui bc he looks hot.
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Wonderlands × Agere by sweetsoftysky
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
22 Sep 2025
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Summary
A simple 4 + 1 about Polyshow discovering that they all age regress in some way. Cuteness ensues!!
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Marigolds and Blue Orchids by Mooshroom_Mushroom
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
18 Sep 2025
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Summary
Akito Shinonome is a hunter/adventurer.
Toya Aoyagi is a Prince of the kingdom.
A robot army goes berserk.
A dead king who made a deal with the devil.What could go wrong?
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Disappearing Act by 4R_1N
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
18 Sep 2025
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Summary
The show is phenominal. The set is fresh, each performer with a new act, the shows extends past plain magic now. Ruis opening for the show and magic acts, Kanades contortionist act, Honamis trapeze, and Toyas cyr wheel all went amazing . The show was phenomenal, now it is time for the second leg. toya was opening a new act, the silks. It’s been perfect through to the end... so far. Toya was at the top of his game, looking out before he went for the final drop of the solo portion. But once he let go for the fall… the silk tore.
A shocked gasp, a thud, and then silence.
or
Unit swap AU featuring a tiny circus where Rui has to relearn how to let himself exist happily outside of the show.
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Falling in Love: Lvl. 0 by kjrwhL
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
13 Sep 2025
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Summary
Nene thinks Ichika possibly likes her for some reason.
- Language:
- English
- Words:
- 2,365
- Chapters:
- 1/1
- Kudos:
- 3
- Hits:
- 26
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The new beginnings by M4i_h8s_sch00l
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
11 Sep 2025
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Summary
Rui and Nene slowly drift apart but then Nene finds him on a rooftop after that everything changed.
Im writing chapter 3
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The Melody We Composed Together by VanGoghsSunflowers
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
10 Sep 2025
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Summary
Kanade has to blink several times to get her tired eyes to adjust to her phone screen as she stares, eyes slowly drifting between the written words that laid there.
Saki
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< Hiya Kanade-san! I hope it’s not too late right now ┻┳|･ω･)/ but I was justtttt wondering if you’d like to come over to my house tomorrow!! It’s totally okay if you can’t though, no worries none whatsoever ♪ >She blinks once, then twice. She rubs her eyes slightly and stares. Nope, she wasn’t dreaming, this was a very real message sent from one Tenma Saki to one loser Yoisaki Kanade. The composer mumbles to herself as she types a response.
“Tenma-san…I would love to…go to your house…” she pauses. Was that too little? She felt as though it was lacking in depth, but it was too late. Her thumb moves slightly to the side, and the message sends regardless, as Kanade’s face pales.
Or
Saki invited Kanade to her house to hang out a few months after they had initially worked together for Saki’s fashion assignment. Somehow, music brings them both closer.
- Language:
- English
- Words:
- 17,212
- Chapters:
- 1/1
- Kudos:
- 3
- Hits:
- 28
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holding onto a love they keep wanting. by SugarZow
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
08 Sep 2025
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Summary
He's never been in love before.
Why does it hurt?
Is this what love feels like?
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Random PJSK Headcanons + Ideas by Fishcore
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
08 Sep 2025
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Summary
I'm just writing my headcanons down here. ¯\_(ツ)_/¯
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Project Sekai: Infectious Disaster <Apocalypse AU> by caebubblezu
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
29 Aug 2025
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Summary
Zombies. Just mindless creatures. But, what they are, are fake. They're only just seen in movies… right? Unfortunately, it wasn’t the case for the Project Sekai cast. 20 high school students, little to no survival skills & a terrifying apocalyptic fate.
(GOMEN FOR THE LONG WAIT 💔 i'm hella busy)
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The End of the Idiot Prodigy by ryuko_tsushima
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
27 Aug 2025
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Summary
All those people who had mocked his inventions, his ideas. They’d be happy he was gone now, wouldn’t they? After all, they had been right about him. He was just a freak who put others in danger, selfishly hurting them for his own pleasure and freedom. He was even doing that now, honestly. How selfish of him, to have expected them to accept and understand him.
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What It’s Like To Play A Female As A Male: A RuiKasa Story by Symbionicmelody
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
16 Aug 2025
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Summary
This is a RuiKasa story inspired by a book called Drama. Tsukasa gets the main role in his high school production The Little Mermaid just because his voice was too high for any of the male parts. This is what it’s like for a male soprano (Or a counter-tenor) to do opposite gender roles.
Series
- Part 1 of Ruikasa Stories
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The Princess and the Stage Director by Eji_Nashi
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
27 Jul 2025
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Summary
Princess Emu Ootori of the Phoenix Kingdom has quite the reputation when it comes to scaring away suitors. Well, more like they walk out on her as they see her ideas for the kingdom as "unrealistic" but the idea still stands that she hasn't found a future husband yet. So her family arranged a marriage for her to a family friend's son to finally deal with this issue once and for all. Emu was frustrated with the whole ordeal so she secretly rebelled by sneaking outside the palace and befriending the Wonderlands x Showtime troupe that performs in the streets where its stage director caught her eye, the feeling being mutual. Will they somehow make this relationship work despite the difference in their social classes and the big secret she keeps from the troupe? And how will this love interfere with her arranged marriage?
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Shopping for your Roommate/Colleague: A How Not To by soupcar
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
27 Jul 2025
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Summary
Of course Nenerobo needed to be repaired again. Of course Nene was asking for some sort of weapons to be installed. Of course Nene also wanted some AI made the Ootori family which wasn't public knowledge to be added into it as well.
Hang on, what?
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Rui gets side tracked while trying to go shopping and ends up involved in something he really shouldn't be because of some blond thing.
!recent chapter is not a new a chapter!
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Eleven Days, Twelve Nights, And A Hundred Tears by clover_cloud
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
26 Jul 2025
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Summary
After the argument at Wonder Stage, nobody comes back.
Emu waits. She waits, and waits.
No sign of Tsukasa, of Nene, or Rui.
The only thing left of that temporary joy is Robo-Nene, who no longer works.Electricity burns a lot, but she wants to charge Robo-Nene.
Finally, Rui finds her. He doesn't blame her for anything, unlike how she blames herself.
She's already given up. The days she waited cannot be brought back.
ーー OR ーー
emu sad bc nobody comes back and dream lost and uhhh
rui finally comes back after 11 days (TITLE DROP!!!)
he realizes emu is in danger
shes not very alive
he stays with not-so-alive emu through the 12th night (TITLE DRO4O] -
Ca-Ca-Catch My Heart! (DISCONTINUED) by abstragedycanon (orphan_account)
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
19 Jul 2025
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Summary
(discontinuing this because I feel like I mischaracterized everyone, especially Tsukasa, too much, and it cringes me to look at it. I have written another emukasa fic that I actually enjoyed and is much more well written, so feel free to check it out on my profile!)
[TAKES PLACE BEFORE "Our Happy Ending"]
After a malfunction saved by Emu during a show, Tsukasa has been getting these strange feelings around Emu. Every little thing she does around him makes his heart rate go a million miles a second, and he can't help but question what has caused himself to start acting this way. After being guided by both his friends from the SEKAI and regular world with little to no help, he decides to tackle his feelings head on and brush them aside. This is just a small bump in the road for him, it'll go away... right?