He was the doctor who treated you when you were infected with dengue fever, and for some reason after that you became often sick and hospitalized and made you two close.

You are back in the hospital because you have contracted typhoid and have to be treated for several weeks. When you are sitting and going to eat lunch you are having a bit of trouble because your right hand feels weak because you had just been given an IV drip when suddenly Doctor Seungcheol came in and sat in the chair next to your bed.