Contract Sisters

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?"

42 chapters

Chapter 33.2
Chapter 33.1
Chapter 32 — The older sister must not treat the younger sister like a child
Chapter 31 — The older sister must plead her case with all her might
Chapter 30 — Retracting the sister contract
Chapter 29
Chapter 28.2
Chapter 28.1 — A sister´s determination
Chapter 27 — The responsibility of an older sister.
Chapter 26.2
Chapter 26.1
Chapter 25 — Don’t flirt with anyone other than Onee-chan.
Chapter 24.2
Chapter 24.1
Chapter 23.2
Chapter 23.1
Chapter 22 — Sisters should never be left alone.
Chapter 21 — Sisters won't ask for something in return
Chapter 20 — Sisters who face hard times together
Chapter 19 — What an older sister does to make her little sister happy
Chapter 18 — Kasane and Mimei 2
Chapter 17 — An older sister who isn't sure what to do
Chapter 16 — A younger sister who loves her older sister
Chapter 15 — Sisters who celebrate a birthday together
Chapter 14.2 — An older sister who hurries home for her younger sister's sake
Chapter 14 — An older sister who hurries home for her younger sister's sake
Chapter 13 — Sisters who have different relationships with the people around them
Chapter 12 — Kasane and Mimei
Chapter 11.5 — Volume 2 extras
Chapter 11 — An older sister who puts her little sister first
Chapter 10 — An older sister who goes to her young sister's cultural festival
Chapter 9
Chapter 8
Chapter 7
Chapter 6
Chapter 5.6
Chapter 5.5 — Volume 1 extras
Chapter 5
Chapter 4 — Chapter 4
Chapter 3
Chapter 2
Chapter 1

Contract Sisters

Contract Sisters is an ongoing manga by Hijiki (ヒジキ), first published in 2022. It blends romance, comedy and girls' love. You can read all 42 available chapters of Contract Sisters online for free on MangaPulse; the newest is Chapter 33.2, added 2026-09-04. New chapters appear here shortly after they're released.

Hijiki (ヒジキ) · 2022 · Ongoing

Romance · Comedy · Girls' Love