Kasane Hayafuji's secret joy in life is seeing Aoyama-san, a waitress at a family restaurant. One night, she saw Aoyama standing alone in the rain. When she tried to help, Aoyama suddenly made her an offer. "Will you be my big sister?"

Genres:

RomanceComedyGirls' Love

Released: 2022

Status: Ongoing

Total chapters: 44

Chapter

32 Volume null Chapter 32

The older sister must not treat the younger sister like a child

31 Volume null Chapter 31

The older sister must plead her case with all her might

30 Volume null Chapter 30

Retracting the sister contract

29 Volume 5 Chapter 29

29

28.2 Volume 5 Chapter 28.2

28.2

28.1 Volume 5 Chapter 28.1

A sister´s determination

27 Volume 5 Chapter 27

The responsibility of an older sister.

26.2 Volume 5 Chapter 26.2

26.2

26.1 Volume 5 Chapter 26.1

26.1

25 Volume 5 Chapter 25

Don’t flirt with anyone other than Onee-chan.

24.2 Volume 4 Chapter 24.2

24.2

24.1 Volume 4 Chapter 24.1

24.1

23.2 Volume 4 Chapter 23.2

23.2

23.1 Volume 4 Chapter 23.1

23.1

22 Volume 4 Chapter 22

Sisters should never be left alone.

21 Volume 4 Chapter 21

Sisters won't ask for something in return

20 Volume 4 Chapter 20

Sisters who face hard times together

19 Volume 4 Chapter 19

What an older sister does to make her little sister happy

18 Volume 4 Chapter 18

Kasane and Mimei 2

17 Volume 3 Chapter 17

An older sister who isn't sure what to do

16 Volume 3 Chapter 16

A younger sister who loves her older sister

15 Volume 3 Chapter 15

Sisters who celebrate a birthday together

14.2 Volume 3 Chapter 14.2

An older sister who hurries home for her younger sister's sake

14 Volume 3 Chapter 14

An older sister who hurries home for her younger sister's sake

13 Volume 3 Chapter 13

Sisters who have different relationships with the people around them

12 Volume 3 Chapter 12

Kasane and Mimei

11.5 Volume 2 Chapter 11.5

Volume 2 extras

11 Volume 2 Chapter 11

An older sister who puts her little sister first

10 Volume 2 Chapter 10

An older sister who goes to her young sister's cultural festival

9 Volume 2 Chapter 9

9

8 Volume 2 Chapter 8

8

7 Volume 2 Chapter 7

7

6 Volume 2 Chapter 6

6

5.6 Volume 2 Chapter 5.6

5.6

5.5 Volume 1 Chapter 5.5

Volume 1 extras

5 Volume 1 Chapter 5

5

4 Volume 1 Chapter 4

Chapter 4

4 Volume 1 Chapter 4

4

3 Volume 1 Chapter 3

Chapter 3

2 Volume 1 Chapter 2

Chapter 2

1 Volume 1 Chapter 1

1