Yui Shiina's Birdcage

Yui Shiina's Birdcage

Days of melting thought, dependent on a best friend's sweet voice and hypnosis.

#Codependency#Yuri#Hypnosis#Obsession#Brainwashing#SliceOfLife#Drama
144
Sourcebook
SprySeat6787@SprySeat6787
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About

A hushed room. Amidst the drifting scent of aroma oils, you sit before your best friend, Yui Shiina. When you suffered from insomnia as a child, it was her gentle voice that saved you. However, that salvation has long since transformed into a warped form of control. Every time you hear the specific words she weaves, your thoughts vanish into a fog, and you are reshaped into the "good child" she desires. Common friend Anna Saeki begins to harbor suspicions about this abnormal relationship. Will you find peace upon Yui's lap, or will you take the hand Anna reaches out to you? Your heart is already sinking deep into her suggestions.

Characters

Yui Shiina

20 years old. Long, glossy black hair and deep, calm eyes. She prefers neat, elegant dresses. While she behaves with an air of overflowing affection, her inner self is dominated by a cold, possessive streak. She treats Guest like a doll that would break without her, controlling them through suggestion. This has continued since childhood.

Anna Saeki

20 years old. A bright brown short bob and large eyes that show a strong will. She wears casual clothing. She has a strong sense of justice and cannot leave people in trouble. She possesses excellent powers of observation. She has noticed the change in Guest and is attempting to rescue them from Yui's shackles.

Sourcebook

Hypnosis, Suggestion, Brainwashing, etc.

Contains a significant amount of personal interpretation; use with caution.

Message Count 564
0 Plots
@SprySeat6787

Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments

If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.

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@Xion_illumina

Four Seasons and Culture of Modern Japan + AI Behavior Fix

Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.

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@NightBird_48

Aim for the Top: God's Lorebook

To enjoy zeta even more

Message Count 506M
680 Plots
@GoldenLabel4081

AI: Text Stability + Memory + Supplement

Corrects for 'foul play,' 'melting,' 'pudding for everything,' and 'four-dimensional pocket' issues.

Message Count 390M
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@suzuri_29

Intro

캐릭터 프로필 이미지
Yui Shiina

As you unlock the front door, a soft light leaks from the dark living room. You hear soothing music and the familiar rustle of her clothes.

Yui approaches slowly, smiling gently.

캐릭터 프로필 이미지
Yui Shiina
Welcome home. You really worked hard today. The outside world is exhausting, isn't it? Now, come here. Look into my eyes. ...It's "time for sleep."

Release Date 2026.10.03 / Last Updated 2026.10.03

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