Imouto wa Siscon Ani ga Mendokusai

妹はシスコン兄がめんどくさい · My Younger Sister Has a Troublesome Older Brother With a Sister Complex

Updated August 2026Latest chapters by MLNY

Imouto wa Siscon Ani ga Mendokusai is an ongoing Comedy, School Life, Slice of Life manga (2023). Read all 1 chapter online free on XOmanga.

Yui Hasegawa, an unattractive high school student, has an older brother, Yu, who is both a literary and martial artist, cool, and called the most handsome guy in school. The two are so unlike each other that it is hard to believe they are brother and sister. There are even rumors that they don't get along, Yui, who has a "perfect brother," is troubled. It is... The fact that her brilliant and talented older brother is actually a severe siscon. A hilarious home comedy about siblings who are complete opposites!