Keiyaku Shimai manga cover

Keiyaku Shimai

ケイヤクシマイ

Contract Sisters, Perjanjian Saudari, Siostry umowne, 계약 자매, สัญญาใจยัยน้องสาว

Published: 2022
Rating:
4.3 (1616 ratings)
Status: Ongoing
Latest Chapter: 29

Description

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?"

Chapters (37)

Volume 5

Chapter 29
Published: Saturday, September 27, 2025
Chapter 28.2
Published: Saturday, September 27, 2025
Chapter 28.1 - A sister´s determination
Published: Tuesday, September 23, 2025
Chapter 27 - The responsibility of an older sister.
Published: Monday, September 22, 2025
Chapter 26.2
Published: Sunday, September 21, 2025
Chapter 26.1
Published: Sunday, September 21, 2025
Chapter 25 - Don’t flirt with anyone other than Onee-chan.
Published: Friday, September 19, 2025

Volume 4

Chapter 24.2
Published: Wednesday, September 17, 2025
Chapter 24.1
Published: Wednesday, September 17, 2025
Chapter 23.2
Published: Tuesday, September 16, 2025
Chapter 23.1
Published: Tuesday, September 16, 2025
Chapter 22 - Sisters should never be left alone.
Published: Monday, September 15, 2025
Chapter 21 - Sisters won't ask for something in return
Published: Sunday, March 23, 2025
Chapter 20 - Sisters who face hard times together
Published: Monday, January 27, 2025
Chapter 19 - What an older sister does to make her little sister happy
Published: Thursday, January 9, 2025
Chapter 18 - Kasane and Mimei 2
Published: Monday, December 2, 2024

Volume 3

Chapter 17 - An older sister who isn't sure what to do
Published: Tuesday, September 24, 2024
Chapter 16 - A younger sister who loves her older sister
Published: Wednesday, May 1, 2024
Chapter 15 - Sisters who celebrate a birthday together
Published: Wednesday, April 17, 2024
Chapter 14.2 - An older sister who hurries home for her younger sister's sake
Published: Friday, March 29, 2024
Chapter 14 - An older sister who hurries home for her younger sister's sake
Published: Sunday, February 25, 2024
Chapter 13 - Sisters who have different relationships with the people around them
Published: Wednesday, January 24, 2024
Chapter 12 - Kasane and Mimei
Published: Sunday, October 15, 2023

Volume 2

Chapter 11.5 - Volume 2 extras
Published: Monday, October 16, 2023
Chapter 11 - An older sister who puts her little sister first
Published: Wednesday, June 21, 2023
Chapter 10 - An older sister who goes to her young sister's cultural festival
Published: Wednesday, April 19, 2023
Chapter 9
Published: Thursday, March 30, 2023
Chapter 8
Published: Tuesday, January 24, 2023
Chapter 7
Published: Tuesday, January 24, 2023
Chapter 6
Published: Tuesday, January 24, 2023
Chapter 5.6
Published: Tuesday, January 24, 2023

Volume 1

Chapter 5.5 - Volume 1 extras
Published: Tuesday, January 24, 2023
Chapter 5
Published: Tuesday, January 24, 2023
Chapter 4 - Chapter 4
Published: Sunday, January 22, 2023
Chapter 3 - Chapter 3
Published: Saturday, January 21, 2023
Chapter 2 - Chapter 2
Published: Wednesday, October 26, 2022
Chapter 1
Published: Monday, April 4, 2022