11 Works by monsterkasa
Listing Works
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Exciting Torture Chamber Funtime by monsterkasa
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
The dark sorcerer has a tendency of getting caught by the Kingdom of Light, all to spend some quality time with his favorite knight.
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To Stare Back at Oneself by monsterkasa
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 Jun 2025
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Summary
The knight had quickly separated himself from his allies. The snowfall had halted, leaving a blanket of white across the field. He knew they didn’t like it when he ran off on his own, but he would have to just deal with Akito’s wrath later. Guilt of abandonment melted away fast; they could handle themselves, they had proven themselves more than capable. He had only one thing on his mind: to find that damn sorcerer.
[In which there is something deeply wrong with the Kingdom of Light's most revered knight.]
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Provoking The Vampire Is a Great Idea, Rui by monsterkasa
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 Feb 2025
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Summary
Rui finds joy in teasing his vampire boyfriend.
His vampire boyfriend is somehow into that.
Series
- Part 5 of SUPERCYBER AU
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Seven Minutes in Hell by monsterkasa
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
31 Oct 2024
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Summary
Tsukasa and Rui play a game of "Seven minutes in Heaven" where it feels more like Hell because Tsukasa barely gives Rui a chance to breathe.
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An Evening with a Vampire by monsterkasa
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 May 2024
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Summary
Tsukasa cuddles with his vampire boyfriend as the two of them find themselves discussing the changes that are happening to his body.
Series
- Part 1 of VAMPIRE RUI AU
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Performance Reward by monsterkasa
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 Apr 2024
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Summary
Tsukasa meets up with his vampire boyfriend after his piano recital. Rui kindly rewards him on his excellent performance.
Series
- Part 2 of VAMPIRE RUI AU
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It's Dangerous at Night, You Know by monsterkasa
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 Mar 2024
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Summary
Rui finds himself infatuated with the vigilante vampire, Pegasus, and finally gets to talk to him in a rather unlucky circumstance.
Series
- Part 3 of SUPERCYBER AU
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Late Mornings (Isn't That Just The Afternoon?) by monsterkasa
Fandoms: プロジェクトセカイ カラフルステージ！| Project SEKAI COLORFUL STAGE! (Video Game)
05 Jan 2024
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Summary
Tsukasa wakes up with Rui draped across him, unable to get up without waking his sleeping lover. He also really has to pee.
Series
- Part 4 of SUPERCYBER AU
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Summary
An alternate version of Mapleshade's Forgiveness, where Darkstar changes her mind.
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You Probably Shouldn't Forget to Eat by monsterkasa
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 Nov 2023
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Summary
Vampire Tsukasa gets hungry for blood and Rui almost passes out.
Series
- Part 2 of SUPERCYBER AU
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A Nighttime Encounter (Monsters and Pink Lights!) by monsterkasa
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 Nov 2023
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Summary
Tsukasa is a vampire that spends his nights prowling the backstreets of the city, protecting civilians from being hunted by bloodthirsty beasts.
Emu is a human with the same goal.
The two meet, and the injustices of the system Emu works for begin to unravel.
Series
- Part 1 of SUPERCYBER AU