It’s Useless to Hang On

Author is one of the prominent figures in the manga industry, known for their successful works, and It’s Useless to Hang On is one of their most outstanding creations. With a distinctive drawing style and a talent for weaving compelling stories, the author has provided readers with works that leave a lasting impact. Before It’s Useless to Hang On, the author also created other notable manga works such as 매달려도 소용없어, There's No Use Hanging On, It's Useless to Hang On, Maedallyeodo Soyong Eopseo.

Kaira willingly risked her life to make her beloved Prince Reagan emperor. But when the man she sacrificed it all for crowns her cousin as empress instead of her, she loses the will to live. It's only when she's finally succumbed to a lethal dose of poison that she's met with the tears of a heartbroken Prince Faylon, and she realizes her love was wasted on the wrong person. Vowing to exact revenge if ever given the chance, Kaira is thrust back in time to right the wrongs committed against her and reclaim the title that is rightfully hers. As she joins hands with Prince Faylon and sets out to punish those who conspired against her, she'll discover a world she once took for granted and seek to correct the course of her fate. (Source: Tappytoon)

Read manhwa It’s Useless to Hang On / It’s No Use Hanging On / There’s No Use in Hanging On / 매달려도 소용없어

The love of my life, Rakan, became the Emperor. At last, the coronation ceremony; I stood by him expecting to become Empress. However, the crown of empress didn’t become mine, it became Vienna’s, my younger cousin.
I threw everything away to make Rakan the emperor, and all that’s left for me ahead was death. It wasn’t until I was abandoned that I realized he used me. Everything was a ruse. The carefully planned screenplay; its main characters being the love of my life, Rakan, and my cousin, Vienna. I was the only one who didn’t know that. In my last moments, I made a promise. If I had another chance, I wouldn’t love you again, even if I died.
I’ve miraculously returned to the past! To when I was 18, the day all the disharmony began.
I made up my mind in tears. This time, I’m going to give everything I’ve got to destroy you, Rakan. In my vow of revenge, I began to see something I had never noticed before. My fiancé, Paylon, has always looked my way.
“Please be on my side. I don’t need love.”
I’m not going to let you hang on to me this time!