Dongsaengui Uimu

Dong-U, who happened to find the secret of his squad leader is spending a hellish day because of it. Jeong-Yeon, the younger sister learns of her brother’s suffering through his diary. To protect her brother whom she loves more than anyone else, Jeong-Yeon visits Jin-Ho, the squad leader… “Oppa… I’ll protect you this time.” (Source: TOPTOON, translated)

Also known as

동생의 의무

Format

MANGA · 110 chapters

Status

Finished

Genres

Drama, Hentai

AniList score

55/100

Main characters

Dong-U Kim, Jeong-Yeon Kim, Ye-Bin Cha, Jin-Ho Yu, Han-Na