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四合 Quadrangle header art

四合 Quadrangle

Muni awakens on an unfamiliar campus, drawn into a web of mysteries. Your choices shape relationships and the path of the story. A relationship-driven yuri game.

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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is 四合 Quadrangle and CLSTA funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

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14 items

About the Game

◆ Story

“In a world rewritten,
no one remembers the truth anymore.”

Muni wakes up in a school she’s never seen before.
She doesn’t remember who she is — or why she’s here.
Rumor says this academy hides a secret experiment,
and her arrival sets destiny’s gears in motion—
every choice changes someone’s fate, including her own.

To find the truth.
To save one life.
She must erase another’s existence.

◆ Features

  • A suspenseful story woven through multiple characters.

  • Mystery × Romance × Battle  — where tenderness meets danger.

  • A branching and restart system leading to completely different destinies.