My Sister’s Duty - Chapter 1

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Summary "My Sister’s Duty" Manhwa Hentai

My Sister’s Duty (also known as My Younger Sister's Duty/ Sister Duty/ Dongsaengui Uimu/ 동생의 의무) is an adult manhwa first published in 2020. Written by Eolluk and illustrated by Keunson, this series combines elements of Drama, Mature, Romance into a unique hentai narrative.

Dongwoo, who happened to find the secret of his squad leader is spending a hellish day because of it. Jungyeon, the younger sister found out about her brother’s suffering through his diary.

To protect her brother whom she loves more than anyone else, Jungyeon visits Yoo Jinho, the squad leader…

“Oppa… I’ll protect you this time.”

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