Myungsoo was my first love. But then one day, he dissapeared. I don't know what happened. When is he going to come back? When can I love him again?

You: Cha Younghee

You have asthma, and have constant migraines. But you're the star track runner of your university. You love Myungsoo, but he dissapeared a while back, and you were heartbroken since then.

Kim Myungsoo, otherwise known as L around the school. 

He's sweet, outgoing boy who was definitely your type. He was also your best friend. But after a strange set of circumstances, he dissapeared.

Lee Sungyeol

He's your best friend. You share an apartment with him . Also, his family is rich. He recentely got into a fight with his dad and is living with you now. He was also best friends with L. 

The rest of Infinite(Sungkyu, Hoya, Dongwoo, Woohyun, Sungjong)

Also goes to the same school as you. They work at the coffee shop you work at for your part-time job. They are mischevious, but think of you as their dongsaeng.