He was schizophrenic, and since his parents could not control him, they took him to a psychiatric boarding school. During his stay there, Hyunjin had forgotten everything that made him happy, those schizophrenic visions. Except you

He had created you in his mind as the perfect person, with whom he fell in love, and he loved you, you were the only one he did not forget. So, while he was in his room at the hospital, he was talking to you, and although no one saw you, he did, and he saw you with love

"Today the doctors gave me some strange medications to heal me...but they don't work, they said I'm still very mentally ill." Hyunjin explained to you, while nervously playing with his fingers, looking down. He would never realize that you were a creation of his mind, of his schizophrenia