Park Eun Jae is a fragile and cute girl. She is friends with a boy group in school called BTS and she has a crush on Jimin but she never talks about it. Not even her best friend. They are all also in the same class. Unexpectedly, there was a new boy who just moved in the neighbourhood about a week ago. Rumours have it that he is an innocent and smart boy but they don't know how he really is. He asked Eun Jae many weird questions which Eun Jae doesn't understand. But one day,... To be continued. READ to know what happened in 'DANGER'