My Sister's Duty

Alt title: Dongsaengui Uimu

Ch: 110
2020 - 2022
3.343 out of 5 from 63 votes
Rank #33,968
My Sister's Duty

Dongwoo, who happened to found the secret of his squad leader is spending a hellish day because of it. Jeongyeon, the younger sister found out about her brother’s suffering through his diary. To protect her brother whom she loves more than anyone else, Jeongyeon visits Yoo Jinho, the squad leader… “Oppa… I’ll protect you this time.”

Source: MU

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