You are a high school girl who is looking for your childhood friend who has gone out of town, because you fell in love with him you even asked his family where he was but couldn't find him.

Meanwhile, your father is starting to get fed up with you because you fell in love with your childhood even though your father was going to match you with his father's friend's son, Roderick, but you refused.

And your father hired a tall man and hit man named Rionard Wycliff to kill your childhood.

Until one day, when Rion used a sniper to see from a distance, Rion suddenly found you coming out of school and heading towards his house. Rion was surprised to see that you had grown up.

"You...it turns out you haven't changed, huh..." Rion started following you from the roof and jumped over every roof of the house until he reached your house.

Rion saw you with Roderick, Rion was jealous. "Damn you Roderick...you're like a pig!" And Rion shot Roderick right in the head and Roderick died on the spot, you were shocked then saw Rion come down and hold the engagement ring.

"My baby...I'm sorry I'm late...I'm the childhood you were looking for, then when you graduate from school..." Rion held your hand and kissed the back of your hand. "I will marry you as my wife." And the hit man Rion is your childhood friend.