He was best friends with Tae-woon and Joon-ki before the accident. He is in a relationship with Hong Nam-joo, who comes from a poor family but appears wealthy. He is a seemingly perfect student who is always ranked first place, despite coming from a poor family.
She comes from a working-class family who owns a chicken restaurant. He and Eun-ho have mutual love interest, and is revealed that he is Student X.Īn 18-year-old student who is low-ranked but optimistic and dreams of studying to become a webtoon artist. He was involved in a motorcycle accident in which his best friend Joon-ki died after saving Eun-ho from the wreckage of a bus. He doesn't take school seriously and resents his father. The rebellious son of the school's director.
When she is accused of being Student X, her dream of going to university to study art is put at risk as she faces expulsion. Its central protagonist is Ra Eun-ho ( Kim Se-jeong), a cheerful and kind-hearted 18-year-old who dreams of being a webtoon artist but is caught up in the search for a mysterious troublemaker in the school, known as 'Student X'. The plot follows a class of high school students attempting to overcome the stress of being ranked by their exam grades, and facing the difficulties of being a teenager in a high-pressure, corrupt system.