Arin, Choi Yewon, left her home country South Korea to study overseas. She got an offer to study in University of Sydney (USYD) to study in Design. Design is always a famous subject in USYD so she didn't want to give up the chance. While her long time primary school crush Cha Eunwoo, had a chance to enter Sungkyunkwan University (SKKU) and study his major, Performance. What if they got into an overseas exchange programme and meet each other again? 

Characters

Cha Eunwoo (Lee Dongmin)

- Being called as Cha Eunwoo since primary school graduation. No one knows his original name as he forbiddened it to be exposed.

- Remembers Choi Yewon and hates her to guts

- Hates being the centre of attention

- Girlfriend - Yoo Yeonjung

Arin (Choi Yewon)

- Being called as Arin since arrival to Sydney

- Had a long time crush over Lee Dongmin and still not getting over it. 

- A bit too aggressive when it comes to Lee Dongmin

Yoo Yeonjung

- Does have an innocent outlook to make boys fall for her

- FAKE

- Boyfriend - Cha Eunwoo