14 Works in Protective Kamishiro Rui
Listing Works
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"Let’s go home, ‘kay?" (RuiKasa) by mirai_no_suta
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
20 Oct 2025
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Summary
Tenma Tsukasa has been off lately. It's started to worry Rui. Rui decides to walk Tsukasa home, and when he does, Tsukasa can't take it anymore.
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As the night falls over us by 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)
15 Aug 2025
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Summary
I decided to make this into a reader interactive (?) Fic so if anyone who reads this has an idea then please share it!!
Things i WONT be writing:
Smut (i cannot write it for the life of me)
Sibling shipping
Oc's
(This is bound to change so keep in mind!) -
The Sabbath of Red, White, and Black by raveralent
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
12 Jul 2025
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Witch hunter siblings Tsukasa and Saki were hired to solve the case of a town's missing children. Little did they know, Tsukasa's passionate encounter with Rui, an enigmatic townsman, might bring an answer to their mysterious past.
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despite knowing we wouldn't last(love makes me think irrationally) by tsumetaihikari
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
03 Jun 2025
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Rui is a scientist assigned to research merpeople with the goal of researching them along with a few others. Despite not wanting to do this at all, he didn't really have a choice.
Tsukasa is a cheerful -and quite gullible- merman.
What happens when they meet and a certain scientist falls in love at first sight?
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DOOMED YAOI
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or: a ruikasa scientist x merman au no one asked for with doomed yaoi and a hint of joongdok, mizisua, skksorry for the people who are looking for ORV, bsd, alnst specifically, they play a role and get an amount of words but they aren't the center iykwim (I couldn't put them as background since idk how to tag, new author problems y'all)
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probably discontinued because it seems people don't like it very much- Language:
- English
- Words:
- 1,261
- Chapters:
- 1/?
- Kudos:
- 1
- Hits:
- 79
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One's True Love - A RuiKasa AU by St4r_ehe737
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
23 May 2025
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Summary
IDK HOW TO MAKE SUMMARIES. BUT THIS IS BASED ON THE FIRST WXS WORLD LINK CARDS
DONT ATTACK ME YALL.. I FEEL LIKE THIS WAS ATTACKING A LIL BIT TOO MUCH SAKI NOW THAT I REREAD IT. I DID THIS LIKE SOME YEARS AGO.
I MIGHT REWRITE IT ONE DAY.
- Language:
- English
- Words:
- 2,014
- Chapters:
- 1/?
- Kudos:
- 7
- Hits:
- 120
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dodgeball damages by cliyxu
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
12 Apr 2025
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Summary
the words fly past his head as his eyes scan tsukasa’s injuries, his heart squeezing at the sight of gauze pasted on his head, alongside a bandaid on his cheek.
“tsukasa-kun..”
“..seriously, do i have to convince you i’m okay too?”
rui breaks out of his train of thought. “you didn’t have to play so seriously, tsukasa-kun. it was just a one-off class match.”
tsukasa leans back, watching rui the way he always does, eyes crinkling at the sides with a soft smile. rui has noticed it’s similar to the way he’d look when he see something he was particularly fond of, softened at the edges. “oh, i didn’t think you were watching me so intensely.”
ㆍ┈┈ㆍ┈┈ㆍ┈┈ㆍ┈┈ㆍ
when tsukasa receives a ball to the head during dodgeball, ending up in the infirmary, rui cannot help but worry. skipping class to visit tsukasa at the infirmary ensues!
or : protective rui :D
Series
- Part 22 of ruikasa relationship studies
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You Know You're Better Than This by eightyeightstarss
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
31 Mar 2025
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Summary
He was the one who led the scenes, The worlds Star.
Not future-
Current.
The current Star of the world. An amazing thought really, nothing could break him down.
Or, Tsukasa moves on, then tries to bring it back.
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The day tenma tsukasa presented as omega by raveralent
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 Jan 2025
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Summary
Tenma Tsukasa presented as Omega and everyone became extremely protective of him—some even more aggressively than the others.
Oh, and he got a boyfriend along the way.Series
- Part 1 of The days of tenma tsukasa
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one too many by kitsuruii
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 Nov 2024
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“If I could skip tonight, I would. I’d stay right here and alphabetize your cookbooks again if that’s what it took.”
Shirafuji chuckled, pressing a kiss to Nakayama’s temple. “Again? Even in Latin?”
“I’ll do it three times if I have to,” Nakayama muttered. “I’ll even dust them.”
In which Shirafuji rescues Nakayama from a dreaded work party.
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Who knew pancakes tasted sour by avoamby11
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
04 Aug 2024
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Summary
The cashier slightly tilted his head at Tsukasa and gave him his best smile.
"Just your number will do. You see, I'm a fan of your show, but I also like you a lot as my senior. If you don't mind, I wish to-"
The cashier said before a loud bang was heard on the table."Here, I'll pay for it. Thank you for your generosity but there's no need for it. Now, if you will, me and my friend has something to attend to." Rui smiled at the cashier while his hand was still gripping the cash on the table. With that, Rui grabbed Tsukasa's wrist and started to speed walk away.
A 5+1 jealousy fic, 5 times Rui got jealous and 1 time Tsukasa did.
**DISCONTINUED**
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for you, anything by kitsuruii
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 Jul 2024
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Summary
Normally, Tsukasa revelled in the admiring gazes of his peers, basking in the glow of their admiration and curiosity. It was part and parcel of his vibrant personality.
But today, as he made his way down the bustling corridors, he couldn't shake the feeling that something was off. Out of the corner of his eye, he kept catching glimpses of a group of three boys he didn’t recognize. They were huddled together, whispering amongst themselves and casting furtive glances in his direction. At first, he brushed it off as typical high school behaviour. After all, he was used to people talking about him. But this...this was different. Their stares weren't admiring or even curious—they were unnerving.
In which Rui shows up when Tsukasa needs him most.
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A Bigger Problem by 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)
16 Dec 2023
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After she was kicked out by Tsukasa, Emu encounters a bigger problem.
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A continuation of my previous fic, "A Small Mistake"
PLEASE READ THE WARNINGS!!!!!!!
Before anyone yells at me for lying, all I said is that would be the last *chapter*. Never said anything ab it being the last installmentSeries
- Part 2 of Depression fuel
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The Unwanted Letter by 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)
23 Oct 2023
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Summary
Wonderlands x Showtime had become a sensation after highschool. They all went on performing with one another and even acted in movies! But that also means that they have a rapidly growing fan base, wel at least Tsukasa does. The blond is used to fanmail but isn’t used to love letter written anonymously addressed to him. Things only get stranger when he’s out on a walk and he can tell that someone is following close behind him.
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A Shooting Stars Challenge by 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)
26 Apr 2023
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Summary
The Wonder Stage has a new guest that is watching their practices, but when this unexpected guest starts to bullying the lead actor, the director and star will not tolerate this!
Or, Shousuke Ootori invites someone to watch Wonderlands x Showtimes practice and this uninvited man begins to criticize Tsukasa’s acting for no reason.