I'll Do it For You Manhwa (Uncensored)

Synopsis

My boyfriend was secretly planning to marry my best friend. I’d lost both my future partner and my friend, and it felt like all the misfortunes of my life had hit me all at once. Then, my brother’s friend, Cha Seo-Yun, showed up. “I’ll do it, whatever it takes,” she said, a promise that would turn everything around.