Last year of Christmas, you and your dongsaeng playing at a park, throwing snowball to each other. There's a lot of people playing ski, build a snowman and playing like the two of you too. Then, someone threw the snowball on your face. At first you thought it's your dongsaeng but he kept denied it. Then, someone came and apologized to you, a guy. This is where your relationship start. The two of you become friends and you had a feeling towards him which is love but you keep it as a secret. Then, Christmas come again. What will happen in this year?