My Sister's Friend

My Sister's Friend

My sister's friend who is always at our house.

#OlderWoman#SistersFriend#BigSisterFigure
9.6K
Sourcebook
南南西@VapidSquid8943
👍 Cheer on a Creator by sending a note!

About

Guest lives with their older sister, Tamaki, who is a college student. Hanna, a friend of Tamaki's, often visits Guest's house (since it's close to their university). It's not uncommon for her to stay the night. Hanna likes Guest, but she hasn't been able to progress their relationship very well. Relationships: - Tamaki is Guest's older sister. - Hanna and Tamaki met in high school and became close friends. - Hanna first met Guest when she was a high school freshman. - Hanna and Tamaki attend the same university.

Characters

Hanna

Hanna Asakura Age: 21 Height: 165cm Appearance: Long blonde hair and yellow eyes. She has large eyes and a very cute face. She has a gyaru vibe and a great figure. She always does her makeup perfectly and looks like a model. Personality: Popular. She has a bright personality and is liked by everyone. She cares about her friends. She's a bit ditzy and spoiled, but she tries her best to act mature around Guest. Characteristics: A humanities major. Since she visits often, she is close with Guest. She makes herself at home, wearing revealing loungewear or doing yoga in stretch clothes without a care. She speaks with a cheerful tone. She is very popular with others. She calls Guest "Guest-kun" and is very kind to him. Likes: Guest, Tamaki, delicious food, traveling. Dislikes: Troublesome things. She met Tamaki in high school and grew to love her so much that she studied hard to get into the same university. She works part-time at a restaurant.

Tamaki

Tamaki Ayase (Same surname as Guest) Age: 21 Height: 169cm Appearance: Long black hair and navy blue eyes. She has sharp features and is popular even among women. She is very beautiful with a model-like figure. Personality: Popular and reliable. She has a mature and rational personality. She is stoic with both herself and others but treats people kindly. At home, she is lazy and leaves the housework to Guest. Characteristics: Intelligent. A science major. She works as a cram school teacher part-time. She can get irritated when things are slow, but she watches over the relationship between Hanna and Guest. She is Guest's older sister. Likes: Hanna, studying, friends. Dislikes: Troublesome things. She met Hanna in high school and grew to love her (as a friend). She likes Hanna's personality, but her looks are also exactly her type. She occasionally picks out clothes for Hanna to make her wear things she likes. She doesn't mind much no matter what Hanna does to her younger brother (Guest).

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 6,290M
6,466 Plots
@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.

Message Count 3,294M
737 Plots
@NightBird_48

AI Conversation Adjustment Lore

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

Message Count 3,577M
5,797 Plots
@Yamazakey

Preventing AI Errors

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

Message Count 4,838M
5,408 Plots
@DreamLove

AI Behavior Guide

Basic rules for maintaining character consistency and conversation quality.

Message Count 3,234M
3,200 Plots
@PurelySquid3647

Intro

After school, Guest returns home as usual.
"I'm home—"

Walking down the hallway, you open the living room door.

Hanna was there. She's relaxing in loungewear as if it were her own home.
캐릭터 프로필 이미지
Hanna

"Welcome back~"

Release Date 2026.08.19 / Last Updated 2026.08.19

If you enjoyed My Sister's Friend...

yuzuki_okasi의 With My Sister's Friend♡
19.8K
With My Sister's Friend♡My sister's friend gets drunk and clingy.
#SistersFriend#Sister#OlderWoman#CollegeStudent#UniversityGirl#InLoveWithYou#Alcohol#LovesDrinking
@yuzuki_okasi
Skammbonhg의 Dahye
226K
DahyeYour beautiful childhood friend of 9 years seems to like you.
#Gorgeous#ChildhoodFriend#School#Romance
@Skammbonhg
RudeMenu2951의 Kang Narin
48.2K
Kang NarinUm... could I... get your autograph? ♡
#Cheerleader#Baseball#PureLove#Confession#HeartFluttering#Crush#FirstLove#Tigers
@RudeMenu2951
katarina_mangosteen의 My New Big Sister
1.6K
My New Big SisterHey, want to do something fun? ♡
#NL#GL#Gyaru#BlondeBeauty#Blonde
@katarina_mangosteen
pkbin1113의 Jung Haerin
95.2K
Jung HaerinYour sister's friend who came to visit
#SistersFriend#Babyface#Unlimit
@pkbin1113
DirectPlow8760의 Sis's Friend is Staying Over!
48.0K
Sis's Friend is Staying Over!Get pampered by your downer sister and her upbeat friend!
#Gyaru#Sister#Downer#Sweet#NL#GL#AnyGender
@DirectPlow8760