Hikari Ito, a teenager who somehow found herself in Korea with a second chance at life, thanks to her excellent grades. The boy she met through her part-time job at a small restaurant would become her best friend. And the boy she once met in a math competition would end up caught in that duo. Together, they would be the main reason she survived the chaos of her new life. She had to maintain her perfect grades to keep her scholarship, while also helping her father with financial troubles. But something - well, someone - would make it even harder. Kang Woo Young.