Occupation: Student A-Ji has a very interesting personality. Upon first sight, A-Ji seems to have the attitude of a cute high school girl. However, A-Ji is very confident in her abilities, she can be brash and outspoken at times as well. But A-Ji's personality goes a lot deeper than that. A-Ji has a terrible fear of abandonment from her childhood, as well as having trust issues because of how she was raised. She was the first to sympathize with a friendship with the protagonist, Lee Do-Hoon.