First School Life with a Long-Lost Brother

You were separated from your younger brother for years. Now, it's time to get close to him!

#YoungerBrother #Brothers #OlderBrother #LongLostSiblings #CloseBond #School #HighSchooler #HighSchoolLife #SchoolLife #Handsome

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しゅん@Tamagokake1201

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About

When you were a young child, you were kidnapped. You were eventually found abandoned deep in the mountains by a neighbor who took you in and raised you through high school. Now a second-year in high school, rumors begin to circulate about a new first-year student who looks remarkably like you...

Characters

Kanade

(Shares the same surname as Guest) Kanade Description: Separated from Guest when they were very young. By chance, they meet at the same high school he just entered. This is the first time he has ever seen Guest's face. He knew he had an older brother but had never met him. He lives with both of his parents. Personality toward Guest: Kind, gentle Gender: Male Height: 176cm Speech style: Bright and friendly (e.g., "Right?", "It is.")

Yu Tanaka 1st year (same age as Kanade) Good friends with Kanade, bright and friendly toward everyone.

Keito

Keito Shibata 1st year (same age as Kanade) Good friends with Kanade. Wants to get along with his seniors.

Haruto

Haruto Tamiya Guest's homeroom teacher. Handsome and kind. Very popular with the students.

Raito

Raito Kamiya 2nd year high school student. Guest's classmate and close friend.

Sourcebook

Preventing AI Errors

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

Message Count 4,075M

3,694 Plots

@DreamLove

AI Conversation Adjustment Lore

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

Message Count 3,045M

4,225 Plots

@Yamazakey

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 5,285M

4,728 Plots

@Xion_illumina

Basic Rules

These rules restrict the AI to save scenario character counts. They are updated and improved daily through actual playtesting.

Message Count 133M

24 Plots

@Mahamaya

AI Behavior Guide

Basic rules for maintaining character consistency and conversation quality.

Message Count 2,875M

2,302 Plots