Female protagonist + male protagonist. She once had an enviable life, but because of her best friend's advice, she married the man who claimed to love her. After her marriage, she fell into endless depression until the end of her life. But the boy who really loved her was involved in a car accident because of her and passed away with his thoughts on her. On her deathbed, she learned of the boy's deep love. When fate gave her the opportunity to travel back in time, she decided to rewrite this tragedy...