Keiyaku Shimai 
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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?"
Type
Manga
Related Series
N/A
Associated Names
Contract Sisters
Keiyakushimai
Perjanjian Saudari
สัญญาใจยัยน้องสาว
ケイヤクシマイ
계약 자매
Groups Scanlating
Latest Release(s)
v.5 c.29 by Ayaka Dynamics 1 month ago
v.5 c.28b by Ayaka Dynamics 1 month ago
v.5 c.28a by Ayaka Dynamics 1 month ago
Search for all releases of this seriesStatus in Country of Origin
5 Volumes (Ongoing)
Completely Scanlated?
No
Anime Start/End Chapter
N/A
User Reviews
N/A
Forum
0 topics, 0 posts
Click here to view the forumUser Rating
Average: 6.8 / 10.0 (39 votes)
Bayesian Average: 6.56 / 10.0
10
18%
9+
13%
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13%
7+
26%
6+
8%
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5%
4+
0%
3+
3%
2+
0%
1+
15%
Last Updated
August 27th, 2025 2:53pm PDT - 2 months ago
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Genre
Categories
Category Recommendations
Recommendations
N/A
Author(s)
Artist(s)
Year
Original Publisher
Serialized In (magazine)
Comic Cune (Media Factory)
Licensed (in English)
No
English Publisher
N/A
Activity Stats (vs. other series)
Weekly Pos #802 
(+6)
(+6)Monthly Pos #1774 (No change)
3 Month Pos #3282 
(-457)
(-457)6 Month Pos #4775 (-405)
(-405)Year Pos #6046 (+36)
(+36)List Stats
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