When Su Mo was 18, her older brother died while saving someone, her father collapsed at a construction site in a safety accident, and her mother passed away from heartbreak when Su Mo received her college acceptance letter.

When he turned 18, he was the only one left in his family of four. He died of illness at the age of 24 and was reborn as a strange creature. He then discovered that there was a strange world where his parents and older brother lived. His family became a new instance of his life.