Neoneun Naui Naneun Neoui Suhocheonsa

A strange and mysterious boy who became a guardian angel to a girl born with an unfortunate fate. Family discord, bullying at school, failure to enter college, and even a broken heart... Sena's series of misfortunes eventually led her to make an extreme choice. It is then that she gains hope for a new life thanks to her guardian angel who appears before her. Even after her new life, she is tormented by the same nightmares every day due to her unforgettable pain, but she lives proudly, taking advantage of her own abilities, which she thought were a curse, and goes to the university she was looking forward to, where she meets her ex-boyfriend. The moment she falls into despair, her guardian angel appears again.

(Source: Kakaopage, translated)