Meet Yui Hasegawa, a simple high schooler with an older brother, Yu, who is a literary and martial arts prodigy, and the most attractive guy on campus. Although they are siblings, they couldn't be more different, leading to speculation about their relationship. Speculations continue to swirl, leaving Yui to grapple with her feelings towards her seemingly "flawless" brother.

This is the physical copy of the My Younger Sister Has a Troublesome Older Brother Who Is a Siscon Computer manhwa.

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Alternative Name:
여동생은 시스콤 오빠가 귀찮아

Author: Yoshimizu

Language: Korean

Volume 1
ISBN13: 9791142304927
ISBN10: 1142304922
Pages: 130