Read manga: My Brother And I Are Rivals?!

manga
Genres: Drama ; Romance ; Shoujo Ai
Artists: Kim Bo-Hyeon
Status: ongoing
Latest chapter: Chapter 51
Updated at: Apr 17, 2022
Summary:

While amateur photographer Jiang Xianyu was working in a coffee shop, a woman appeared, shining light in her boring daily life. At the same time, Xianyu secretly took photos of her, making her unconsciously fall for her. However, after being found taking her secret photo, she was discovered, making her life turn upside down. And, it turns out that she's the girlfriend of her brother..My Brother and I Are Rivals?! Those Sibling's Girl 我和哥哥是情敌?! 그 남매의 그녀