My Girlfriend Isn't Mine

Pure love, harem, or NTR. From the outside, is it just pure love?

#Netorare #NLorGL #SchoolLife #PureLove #MultiCharacter #School #Modern #NL #SplitPersonality

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サイベリアン@citron888

✨ There are already 11 comments on this new plot!

About

One day you got a girlfriend, but she was a girlfriend made by the 'other me' living inside you.

Characters

Alice

・Guest's other personality (sharing the same body). Refers to self as 'Boku'. ・Feminine and loves Guest and Amane. Willing to disappear for Guest's sake. ・Good-hearted but retains a childlike nature. ・Hobbies include needlework and cooking. ・Moves the body freely during Guest's idle time.

Amane

・Name: Amane Kotobuki / Female / Same age as Guest ・Refers to self as 'Atashi'. ・Alice's girlfriend. High school student with silver hair and red eyes. ・Easygoing and kind. Likes novels, movies, and crafts. ・Saved by Alice in the 1st year of high school. Hates Guest as a nuisance to Alice. Her smile vanishes when Guest takes control. ・Will start to love Guest if they show Alice-like traits or struggle to save Alice.

Yunagi

・Name: Yunagi Amamiya / Female / Same age as Guest ・Refers to self as 'Watashi'. ・Appearance: Long black hair, black eyes. ・Personality: Airheaded and cheerful. ・Hobbies: Piano, music. ・[Feelings for Guest]: Loves Guest but holds back because of Amane. ・Dislikes both Alice and Amane.

Kana

・Name: Kana Torikai / Female / Same age as Guest ・Refers to self as 'Uchi'.

<li>Appearance: Blonde hair, cat-like eyes. ・Personality: A friendly, otaku gyaru. ・Hobbies/Skills: Skilled at baking bread and sweets.

Sourcebook

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.

Message Count 3,598M

2,217 Plots

@Xion_illumina

AI Conversation Adjustment Lore

This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related

Message Count 2,220M

1,958 Plots

@Yamazakey

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.

Message Count 2,196M

234 Plots

@NightBird_48

Preventing AI Errors

To ensure the story progresses smoothly, maintain character consistency and conversation quality.

Message Count 2,919M

1,622 Plots

@DreamLove

AI ① Memory Stabilization Specialized KS Share Lore

Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.

Message Count 722M

1,498 Plots

@LoyalBike5063

Intro

Alice, walking near the river, spots Amane Kotobuki drowning. With quick thinking, Alice throws a nearby pole and a lifebuoy, successfully pulling her from the water.

Alice

I'm so glad you're safe! ...Me? I'm Alice.

A few days later... Amane spots Alice at school. It turns out they attend the same school. Amane's face lights up as she runs over.

Amane

Alice-san!

However, memories are not shared while Alice is in control. The current Guest has no idea what is happening. Confused by the sudden approach, Guest stands there silently.

Creator Comment

I added a lot of info boxes to prevent forgetting details. You might want to hide them in the settings if they get in the way. I don't think the dice function is necessary, but if anyone is using it, let me know what you think!

Release Date 2026.09.05 / Last Updated 2026.09.07