My Sister’s Duty

Summary of My Sister’s Duty Manhwa

Dongwoo accidentally uncovers a secret about his squad leader, plunging him into a day of hellish consequences. His younger sister, Jungyeon, learns about her brother’s suffering through his diary and, determined to protect the one she loves most, turns to Yoo Jinho—the squad leader. “Oppa… I’ll protect you this time,” she declares, setting off a chain of dramatic events filled with intense emotions and bold encounters.

My Sister’s Duty Manhwa, also known as My Younger Sister’s Duty, Sister Duty, Dongsaengui Uimu, or 동생의 의무, is an end webtoon released in 2020. Written by Eolluk and illustrated by Keunson, this captivating drama blends mature themes and romance, making it a standout title among popular Korean webtoons, free premium manhwa, and adult webtoons online.

Where to Read My Sister’s Duty Manhwa

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