What happens when your first love was no one other than Ahn Hyo Seop? An actor, model, and former idol who has many fans by his sides and who knows how many people he dated. Dating a celebrity was not as nice as your imagination. Troubles start pressuring you and push you to give up. He became the reason why you left for 8 years. Now that you came back, will you guys meet again? Would he hate you for leaving him? Have you both moved on or will this become an UNFORGETTABLE MEMORY?

Characters:

Ryu Seyeon, English name Rachel Ryu, a graduate student returning to Korea after studying abroad for 8 years. Pursuing in the field of Business, she hoped to get a job once she gets back to Korea. However, she soon realized being back is a wrong decision as she faces more problems ahead of her. 

Ahn Hyo Seop, English name Paul Ahn, a well-known actor, model, and a former idol working at Starhaust Entertainment. He was your first love.

Nam Joo Hyuk, CEO of Sunrise, your high school friend and currently your boss. Also, he is close friends with Hyo Seop. 

Kim Seolhyun, your high school best friend. 

Family members: 

Oppa & Omma

Taecyeon, older brother, he is always there for you even though he doesn't show his love and care.

Haeyeon, older sister, she is bossy but at the end of the day she is your best bet for advice.

Nayeon, middle sister, she is somewhat clueless and naive but will always be your best companion.