- Jin Hyemin(You/Reader): Changbum's girlfriend

- Woo Changbum: Hyemin's boyfriend, member of Baekpeo/100PERCENT (100%)

Minor Characters:

- Seo Minwoo: leader of Baekpeo/100PERCENT (100%)

- Kim Rokhyun

- Jo Jonghwan

- Kim Chanyong

- Jang Hyukjin