Kamishiro Rui/Tenma Tsukasa FanFiction

How To Capture a Jellyfish (And acquire a Boyfriend??)

How To Capture a Jellyfish (And acquire a Boyfriend??)

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Tenma Saki, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Hoshino Ichika/Tenma Saki, Tenma Tsukasa, Tenma Saki and Tsukasa's Parents, Aoyagi Touya, Shinonome Akito, Kamishiro Rui
Tags
Fluff Tags May Change Misunderstandings Kamishiro Rui is Bad at Feelings Beach House Jellyfish Kamishiro Rui Kamishiro Rui and Kusanagi Nene are Siblings
Someone was watching him. That is the conclusion Tsukasa has drawn over the past weeks, everytime he takes a stroll on the beach, or browses the market, the back of his neck prickles. The feeling of eyes watching him making him uneasy, and Tsukasa is...
I was reincarnated as a Villain???But im a kid?!?

I was reincarnated as a Villain???But im a kid?!?

F/F
Gen
M/M
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Azusawa Kohane/Shiraishi An, Shiraishi An, Azusawa Kohane, Kamishiro Rui & Tenma Tsukasa, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Aoyagi Touya, Shinonome Akito,
Tags
Fluff canon-divergence Not Beta Read but not really This is based off a fanfic called'I was Reincarnated as the Villainess in an Otome Game and now everyone hates me???' i sugest reading that first to understand whats going on its great She/Her and They/Them Pronouns for Akiyama Mizuki i made them children based off a stupid idea i had i made the game into a anime harem when the fanfic is so good its needs a fanfic itself
"what if ena appeared in the game eariler?"~~~~~~~~OR:what if ena appeared in the otome game but she was a kid(and so was everyone around her)This is a au of an au based off of 'I was Reincarnated as the Villainess in an Otome Game and now everyone h...
Snapped Strings of Fate

Snapped Strings of Fate

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Reader, Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Hinomori Shizuku/Momoi Airi, Momoi Airi, Hinomori Shizuku, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, Tenma Tsukasa/Reader, Kamishiro Rui/Reader,
Tags
Soulmates Suicide She/Her Pronouns for Akiyama Mizuki love pentagon? i wrote this when high Satire
New students transferring to your school isn’t anything out of the ordinary, till two boys—Kamishiro Rui and Tenma Tsukasa—spike your interest.
Undersekai (or what going to happen if we put project sekai cast in undertale story)

Undersekai (or what going to happen if we put project sekai cast in undertale story)

F/F
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Hinomori Shiho, Momoi Airi, Hinomori Shizuku, Ootori Emu, Yoisaki Kanade, Asahina Mafuyu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa,
Tags
Tags May Change How Do I Tag author regrets everything undertale x sekai au Author regrets nothing Really Bad English main character does not speak author and reader are also characters reader can change story no beta reader we die like mafumom don't read if you don't know undertale story HUGE SPOILERS
Long ago, two races ruled over Earth:HUMANS and MONSTERS..
"Wanna feel alive, the pyre’s will ignites"

"Wanna feel alive, the pyre’s will ignites"

F/F
M/M
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Azusawa Kohane/Shiraishi An, Shiraishi An, Azusawa Kohane, Hatsune Miku, Kagamine Rin, Hinomori Shizuku/Momoi Airi, Hoshino Ichika (Project SEKAI), Tenma Saki, Hinomori Shiho,
Tags
Knight Hoshino Ichika (Project SEKAI) Minor Hoshino Ichika/Tenma Saki Noble Tenma Saki Medic Honami Knight Hinomori Shiho Princess Hanasato Minori Knight Kiritani Haruka Noble Momoi Airi Spy Hinomori Shizuku Princess Azusawa Kohane Knight Shiraishi An Knight Shinonome Akito
Long ago, the Light Kingdom and Dark Kingdom had lived in peace, with peace treaties signed and children playing together... until an assassination of the Light Kingdom's ruler, throwing both Kingdoms into an all-out war... Caught between the war of...
As the sun hits, she’ll be waiting

As the sun hits, she’ll be waiting

F/F
Other
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Minor or Background Relationship(s), Hinomori Shizuku/Momoi Airi, Hinomori Shiho, Momoi Airi, Hinomori Shizuku, Yoisaki Kanade, Asahina Mafuyu, Akiyama Yuuki (Project SEKAI), Kamishiro Rui/Tenma Tsukasa,
Tags
Fluff Angst Slow Burn Angst with a Happy Ending Alternate Universe - College/University Might be OOC Roommates She/Her Pronouns for Akiyama Mizuki Song Lyrics Shinonome Ena is So Done Post Mizu5 Momoi Airi & Shinonome Ena are Best Friends
“I told you I’d wait forever.” Ena’s expression is soft, full of emotion, the tears she’d been holding in finally slipped out.“You really are stubborn Enanan,” A silent chuckle escapes Mizuki’s lips, their lips quiver as her own tears begin to slip o...
Project Alien Stage (ALNST x PJSK)

Project Alien Stage (ALNST x PJSK)

F/F
M/M
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game) Alien Stage (Web Series)
Characters
Other Character Tags to Be Added, Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Azusawa Kohane/Shiraishi An, Shiraishi An, Azusawa Kohane, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Shinonome Akito, Kamishiro Rui,
Tags
Slow Burn Unrequited Love Alternate Universe Slow To Update Not Actually Unrequited Love She/Her Pronouns for Akiyama Mizuki Character's Name Spelled as Toya (Project SEKAI) Akiyama Mizuki is a Little Shit Shinonome Ena is Bad at Feelings Akitoya isnt actually unrequited their js slow Aoyagi Touya is Bad at Feelings Azusawa Kohane is Trying Her Best
Alien stage and Project Sekai combinationUpdates will hopefully come every few days or weeks.Chapters 1-? ANAKT gardenChapters ?-? Pre-ALIEN STAGEChapters ?-? ALIEN STAGE
MY RANDOM ASS HEADCANONS

MY RANDOM ASS HEADCANONS

F/F
M/M
Multi
Other
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Azusawa Kohane/Shiraishi An, Hinomori Shizuku/Momoi Airi, Hanasato Minori/Kiritani Haruka, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Hinomori Shiho/Hoshino Ichika/Mochizuki Honami/Tenma Saki, Akiyama Mizuki/Asahina Mafuyu/Shinonome Ena/Yoisaki Kanade, my dumbass forgot the polyneed tag so, Project SEKAI Ensemble
this is here because i have these thoughts and no one i know play pjsk so uhhhh this was bornededalso yes this is named like my chatfic cause why not :shrug:it also is random ass headcanons that come to me in dreams or during maths
What a Preformance

What a Preformance

F/F
M/M
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Kamishiro Rui & Kusanagi Nene & Ootori Emu & Tenma Tsukasa, Kamishiro Rui & Tenma Tsukasa, Kusanagi Nene & Ootori Emu, Kusanagi Nene & Tenma Tsukasa, Ootori Emu, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, Kamishiro Rui & Kusanagi Nene, Kamishiro Rui & Ootori Emu,
Tags
Out of Character Not Actually Unrequited Love OOC no romantic relationship implied but hints of emunene and ruikasa if you squint author hasn't posted fanfic since covid this is really bad written as an English assignment everyone is so out of character i bullshitted this out of my ass
I wrote this as an English assignment for class. It's really bad and really dry. I haven't written any actual fanfic in over 4 years. This is going to be really really bad.It was written because of a prompt ,"write something about how an artists (can...
The Menagerie

The Menagerie

F/F
F/M
M/M
Multi
Other
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Hanasato Minori, Kiritani Haruka, Hanasato Minori/Kiritani Haruka, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, MORE MORE JUMP! (Project SEKAI), Wonderlands x Showtime (Project SEKAI), 25-ji Nightcord de. | Nightcord at 25:00 (Project SEKAI), Leo/need (Project SEKAI), Vivid BAD SQUAD (Project SEKAI)
Tags
Alternate Universe - Unit Shuffle (Project SEKAI) All project sekai characters self insert original characters some ships are meant to be doomed here some ships weren’t
Tomato's giant au masterdoc publicized

Tomato's giant au masterdoc publicized

F/F
M/M
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Other Character Tags to Be Added, Other Relationship Tags to Be Added, Akiyama Mizuki, Shinonome Ena, Shiraishi An, Azusawa Kohane, Kamishiro Rui/Kusanagi Nene/Ootori Emu/Tenma Tsukasa, Hanasato Minori/Hinomori Shizuku, Hinomori Shizuku/Momoi Airi, Hoshino Ichika (Project SEKAI), Hanasato Minori, Kiritani Haruka,
Tags
Magic Other Additional Tags to Be Added Amnesia Alternate Universe Alternate Universe - Royalty Aged-Up Character(s) Alternate Universe - Coffee Shops & Cafés Trains Alternate Universe - Ghosts Alternate Universe - Magical Girls Event: A Gentleman Thief's Thrilling White Day?! (Project SEKAI) Middle School
What it says on the tin. All of my pjsk aus in one place. Also serves as a pjsk yap
kamishiro rui is my name

kamishiro rui is my name

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Kamishiro Rui & Tenma Tsukasa, Tenma Saki, Kusanagi Nene, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Aoyagi Touya, Shinonome Akito, Kamishiro Rui,
Tags
Fluff Angst Slow Burn Depression Suicidal Thoughts Heavy Angst Swearing Self-Harm Implied/Referenced Self-Harm Suicide Attempt Fluff and Angst Falling In Love
Tomorrow, I’ll Still Tread Between Reality and Dreams

Tomorrow, I’ll Still Tread Between Reality and Dreams

F/F
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Shiraishi An, Ootori Emu, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Aoyagi Touya, Shinonome Akito,
Tags
Post-Traumatic Stress Disorder - PTSD Nightmares It Gets Worse Before It Gets Better Self-Harm Implied/Referenced Self-Harm Bullying She/Her Pronouns for Akiyama Mizuki Trans Female Akiyama Mizuki Transphobia Akiyama Mizuki Needs a Hug post ena5 Shiraishi An is a Little Shit
“Despite the fact the world is moving on, still broken, the two of us will nevertheless breathe in it, together.”Learning to love life again.(Title from Jishoumushoku, summary from Yoka Ni Mitorete.)
Christmas and Feelings

Christmas and Feelings

F/F
M/M
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Tenma Saki, Hinomori Shiho, Mochizuki Honami, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, Hinomori Shiho/Mochizuki Honami, Shibao (Project SEKAI)
Tags
Fluff Tooth-Rotting Fluff Romantic Fluff Christmas Fluff Tenma Tsukasa-centric Mochizuki Honami-centric Flustered Kamishiro Rui Flustered Hinomori Shiho Mentioned Kusanagi Nene
Tsukasa and Honami goes shopping for presents together with Shiho and Rui tailing them, but the latter two didn't expect finding out about their unsaid feelings?Confession and Endearment.
Lunar's PJSK Ship Oneshots! (revamped!)

Lunar's PJSK Ship Oneshots! (revamped!)

F/F
M/M
Other
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Azusawa Kohane/Shiraishi An, Hinomori Shizuku/Momoi Airi, Hanasato Minori/Kiritani Haruka, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Hoshino Ichika/Tenma Saki, Hinomori Shiho/Hoshino Ichika/Mochizuki Honami/Tenma Saki, Hoshino Ichika/Mochizuki Honami, Hinomori Shiho & Hoshino Ichika, Asahina Mafuyu/Yoisaki Kanade,
Tags
Fluff Mutual Pining Other Additional Tags to Be Added Gay AU date No Angst Wholesome vampire Mentioned Shinonome Akito Author is bad at tagging Homophobic homosexual akito
Oneshots of Project Sekai ships! All ships I will write are tagged above.
Part of Your World

Part of Your World

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki, Ootori Emu/Tenma Tsukasa, Tenma Saki, Ootori Emu, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Tenma Saki and Tsukasa's Parents, Aoyagi Touya, Kamishiro Rui, Kusanagi Nene/Tenma Tsukasa,
Tags
Alternate Universe They/Them Pronouns for Akiyama Mizuki Kamishiro Rui-centric Prince Tenma Tsukasa Mermaid Kamishiro Rui Mermaid Kusanagi Nene Ootori Emu Being Ootori Emu Title from The Little Mermaid
Rui, a prince of the ocean, has always imagined what it would be like on land, walking on things called feet and meeting the boy he met a few years ago. One day, he finally gets permission from his parents, and he goes up to land with his friend, Nen...
Let The Clock Reverse

Let The Clock Reverse

F/F
Gen
M/M
G
Updated
12.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki, Hoshino Ichika (Project SEKAI), Tenma Saki, Ootori Emu, Kusanagi Nene, Yoisaki Kanade, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Tenma Saki and Tsukasa's Parents, Aoyagi Touya, Shinonome Akito,
Tags
Eventual Happy Ending Suicidal Thoughts Magic Other Additional Tags to Be Added Past Child Abuse Angst with a Happy Ending Hurt/Comfort Emotional Hurt/Comfort Angst and Hurt/Comfort Implied/Referenced Self-Harm Fluff and Angst Implied/Referenced Child Abuse
Tsukasa, the only Tenma child to be graced with the magical ability of healing and light. Trapped inside of his own little tower to keep him safe, he yearns to be free from the shackles of his fateWhen he sneaks out and encounters a lonesome alchemis...
The Star and The Future

The Star and The Future

F/F
M/M
G
Updated
12.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Hatsune Miku, Ootori Emu, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, Kaito (Vocaloid)
Tags
Tenma Tsukasa-centric Emo Wonderlands x Showtime Ship Week
25ji and Wxs swap !Mfy = TksMzk = EmuEna = RuiKnd = Nene
rui kamishiro’s guide on how to flirt with the guy you’re head over heels for

rui kamishiro’s guide on how to flirt with the guy you’re head over heels for

F/F
M/M
G
Updated
12.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Minor or Background Relationship(s), Ootori Emu, Kusanagi Nene, Kamishiro Rui/Tenma Tsukasa, Tenma Tsukasa, Kamishiro Rui, Kamishiro Rui & Kusanagi Nene, kamiyama squad (plus kohane and saki) mentioned
Tags
Idiots in Love First Kiss Confessions Bad Flirting 5+1 Things Kamishiro Rui-centric Flustered Kamishiro Rui Flustered Tenma Tsukasa nene is so done with rui but she loves him (platonically) no beta we die like rui’s confidence after the 5th attempt Bad Advice
Rui wants to let Tsukasa know exactly how he feels for him. So he implores the help of his friends to do so. Although, easier said than done.OR5 times Rui tried to use the horrible dating advice from his friends to ask Tsukasa out, and 1 time he was...
in which akito shinonome learns something new daily

in which akito shinonome learns something new daily

F/F
F/M
Gen
M/M
Multi
Other
G
Updated
12.04.2025
Fandom
プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
Characters
Akiyama Mizuki/Shinonome Ena, Akiyama Mizuki, Shinonome Ena, Azusawa Kohane/Shiraishi An, Kusanagi Nene, Kusanagi Nene/Ootori Emu, Kamishiro Rui/Tenma Tsukasa, Aoyagi Touya/Shinonome Akito, Tenma Tsukasa, Aoyagi Touya, Shinonome Akito, Kamishiro Rui,
Tags
Fluff Other Additional Tags to Be Added Fluff and Humor Humor Attempt at Humor How Do I Tag Chatting & Messaging Probably ooc nightcord chatfic akitoya canon theyre all gay
silly pjsk chatfic igTW!! gay people (akito is down bad guys)⁉️⁉️🔥🔥💯💯🗣️🗣️