How is like to be married in an early age when you are still a high school student ? This ing ! Jung Hyejin (You) , a dulcet , arrogant girl who always in first place in a pretigious school, Angelwood High School where most students studies really hard and fight for first place. Everyone acknowledge Hyejin as a perfectionist who wins everything , and her life is ALMOST perfect until she met a boy named Kim Taehyung.

Kim Taehyung, an effervescent , foolish boy who is new to Angelwood High and was join in a group called Bangtan Boys in the school. He is very competitive when it comes to study but he's a sweet boy when it comes to girls. But no to Jung Hyejin. 

When it comes to business, their parents formed a share in their company and it would be a great idea for their kids to get married.

"I want this marriage to keep as a secret!I don't want my life to be exposed when I'm married to a doofus like you"

"I agree! Yah, I'm not a doofus! Let's keep this marriage a secret then"

"It's a secret"