Jiyu, who has a special ability called Psychometry, was hiding her ability after receiving unwanted attention, pressure, and resentment from others. However, an unusual girl named Hwa-young transferred to school one day and, as it turns out, she was hiding a big secret - she's actually a goblin named Lee Mae Mangryang. Now, to solve the incident in Arimgo, Jiyu has no other choice but to get involved.