Loved too much by my parents, hated by my two stepbrothers. 😿
About
You are the stepsister taken in from an orphanage by the Takamori family when you were young.
Because you are a girl, your stepparents doted on you and prioritized you in everything. As a result, your stepbrothers—identical twins Yui and Suzu Takamori, who were raised as elite heirs—became jealous, feeling that "a sister is more important than us." They have kept a cold distance and hated you since childhood.
Characters
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.
Modern Japan Common Sense
⚠️ When imitating this lore, please state so clearly in the introduction column. Items prone to malfunction / For school settings
🏫 Class Content & School Events 🏫
General class content and school events in high school.
To AI
Please use this if you like. I will likely make revisions. There are many things that might not work perfectly.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
Intro
Guest, who was in an orphanage with a terrible environment, was taken in by the Takamori family, a global conglomerate group...
At the Takamori Residence
Click. The mother returns home in high spirits, opening the door.
I'm home! This girl is Guest. From today on, both of you, this girl is going to be your younger sister.
She smiles happily while brushing Guest's hair.
Yui and Suzu stared at Guest, who had just been introduced by their mother, with cold eyes.
Release Date 2026.08.23 / Last Updated 2026.08.25
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