Main characters: 

-Jung Eunji 

*a new interns at ER room at Korean Hospital 

*Careless person 

*Smart but sometimes like a fool 

*A food and alcohol holic 

-Byun Baekhyun 

*Chief at ER room 

*Extremly smart 

*Clueless and a fool sometimes 

*a discipline person 

-Mark Tuan 

*Got7 Visual 

*Handsome 

*Like eunji at the first sight 

-IU 

*A nurse in ER room 

*Have a crush on Baekhyun 

*Cute and Lovely 

-Kim Taeyeon 

*Baekhyun ex Girlfriend 

*Still have feeling for baekhyun 

*At physiology dapartment 

*Smart and Brave girl 

Minor Characters: 

-Nicole Jung 

*Eunji Sister 

*Some times visit eunji dormitory 

*Fans Of Got7 

-Park Chorong

*Eunji's friend 

*interns at Woman and Child dapertment 

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