Heo Youngji and Wang Jackson have been friends since kindergarten. From primary school until high school, they always together. Sometimes, people would mistake them as a couple but they denied and their relationship is friends only. What if one of them has feelings? More than friends? Ever since high school, Youngji starts to avoid Jackson when she gets to know that she likes Jackson more than friends.

That was the high school story. Now, both of them are in university. Their friendship starts to break apart when both of them busy with their life. They finally meet again in their parent’s dinner. However, it turns awkward between them. During that dinner, she learns that Jackson had a girl. She felt heartbroken but she just hides. How long Youngji must keep her feelings hidden from Jackson? Will the two ever find their lost blossom?