Ji-Hye Ryu

류지혜

Studies in the same university as [Sangwoo](https://anilist.co/character/215982/SangU-Chu) and [Jang Jae-Young](https://anilist.co/character/215981/JaeYeong-Jang). Sang-U calls her Kim Ji-Hye. She is Sangwoo's first real friend in university and even calls him "Sangchoo". She seems to have developed feelings for him too.