[School idol + school bully + young master + group pet + stand-in + campus]
She had a heart disease since she was a child, and it was not until her sister's heart was transplanted that she was able to get rid of the torture of the disease. She became healthy, but she was troubled by love. One handsome boy was her childhood sweetheart and her boyfriend who had a deep love for her. The other two handsome guys were her sister's boyfriend and the overbearing young master who held her in the palm of his hand and took care of her! Faced with the pampering of three handsome men, how should she choose?