S1 (Chp 01 - 13)

Park Eunbin is finally a high school student.

Two years ago, from the very first time she saw her two years older crush wearing the uniform, she had been dreaming to wear one too.

And now she gets to wear it. 

The next best thing is that her crush has officially upgraded becoming her boyfriend.

Byun Baekhyun. Her neighbor. Her childhood friend. Her two years older brother. Her former crush. And now her boyfriend.

Then, she promises to herself that she will live her romance school life to the fullest.

Well, that's what she thought.

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S2 (Chp 14 - ?)

Highschool is the past. The old Park Eunbin is the past. The heartache and tears are in the past.

Byun Baekhyun is in the past.

But the universe seems to know how to make a joke and won't stop torturing her when she stars to feel alright.

A surprising encounter adds with numerous unbelievable coincidences start to get under Eunbin's skin.

Three years without contact and the boy, who has become a man, thinks he can just strut in to her life like in a snap of a finger.