Alternative Name:Keiyaku Shimai; Keiyakushimai; Perjanjian Saudari; สัญญาใจยัยน้องสาว; ケイヤクシマイ; 계약 자매

Genre(s):Romance

Demographic:Shoujo Ai

Summary:
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. Wh... MORE 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?" HIDE