Yours Truly, Your Idol

Ho Mirae, a 19 year old college student that just got passed in a performing art university and she's secretly Jessi's younger sister, Jessi from PNation, tone of the famous soloist rapper but she chose to be hidden because of her older sister's popularity. She's now and is still in "not really" disguise and since koreans have fairly and mostly share the same last name but not mostly related, she safely survived. Because she wanted to be independent, she decided to find a different boardinghouse further a bit from her older sister's company, and that's how she found Waikiki. A newly reopened boardinghouse and needs a temporary caretaker will be paid enough for her college needs. She grabbed the opportunity for it. Days past and So far so good, she was able to blend in in her first few days of her freshman. She'll slowly also meet her boardmates one by one... will she be able to hide her identity in her univ and from her board mates or will they find out and her normal life will turn upside down?