Series from 2018
The young boys and girls throw themselves into the dangerous love game that will risk all their lives.
Si Hyun feels hurt due to her father's affair, and Soo Ji wants to get back a teacher who betrayed her.
Si Hyun's father shows Si Hyun a DNA test result that says Si Hyun isn't his son and kicks him out.
Si Hyun and Soo Ji are frustrated by the marriage announcement of their parents. Se Joo is in trouble.
To win the bet with Soo Ji, Si Hyun flirts with Tae Hee. Soo Ji tells her mother to give up on her marriage.
Soo Ji asks Kyung Joo about Tae Hee to work on a plan and gets close to Hye Jeong on purpose.
Se Joo beats the guy who flirts with Soo Ji. Soo Ji witnesses Si Hyun's father hugging Young Won at the hotel.