Kaylxx's manga / #Tragedy(2)

FL, Karina Leopold had artist disease, FL was a very talented person who had the ability to perform miracles commonly known as an artist, so every time she'd use her "power" she'd become weaker. When FL found out she only had one year to live she kept it from her family because she had finally wanted to live a free life even if only for a year. So she packed her things and traveled North to the home of her fiancee, ML, Duke Mirion Pestelio.

After losing his family in an accident, ML, Yun-Jae finds a diary from his future self saying that by winning “games” in a “parallel world,” he could revive his dead family as his prize. Out of all the survivors of the world, ML was the only one with the knowledge of the future.